Compare Eufy E340 Floodlight Camera vs Reolink Argus 4 Pro 4K Solar Security Camera 

P1 Eufy E340 Floodlight Camera
P2 Reolink Argus 4 Pro 4K Solar Security Camera 

Comparison Takeaways

Eufy E340 Floodlight Camera

Where It Has the Edge

  • Continuous recording capability is 4.8 vs 1.8. Continuous recording was a major strength because the hardwired E340 can record around the clock when storage is...
  • Smart home accessory compatibility is 4.5 vs 2.0. Smart accessory compatibility worked well for Alexa and Google actions, including one tested Alexa routine.
  • Speaker volume is 3.8 vs 2.1. Speaker and siren output was loud enough for deterrence, but audio quality was described as limited rather than...
  • Cloud storage plan value is 5.0 vs 3.5. Reviewers strongly valued the optional cloud model because core features and storage can be used without recurring subscription...

Reolink Argus 4 Pro 4K Solar Security Camera 

Where It Has the Edge

  • Streaming reliability is 4.6 vs 3.0. Live view and streaming reliability were generally praised, with reviewers calling the feed smooth, quick, responsive, or faster...
  • Dual-stream recording is 4.5 vs 3.5. The stitched dual-stream approach was praised for preserving clarity across the wide composite image.
  • ONVIF/RTSP support is 2.5 vs 1.5. ONVIF/RTSP support was weak or conditional, with reviewers noting native limitations and hub-dependent RTSP access.
  • Size and footprint is 3.6 vs 2.8. Size and footprint opinions were mixed: some praised the compact body, while others found the solar setup or...
Average score
Product 1: Eufy E340 Floodlight Camera
4.1
Product 2: Reolink Argus 4 Pro 4K...
3.8
App controls and settings
Product 1: Eufy E340 Floodlight Camera
4.7

Reviewers consistently liked the Eufy app’s depth and usability, calling it robust, practical, intuitive, and full of useful controls.

Product 2: Reolink Argus 4 Pro 4K...
4.0

App controls were generally strong, with clean settings, deep customization, event filters, and flexible setup, though one review found the app needs refinement.

Articulation range
Product 1: Eufy E340 Floodlight Camera
5.0

Pan-and-tilt range was praised as a major advantage, with reviewers valuing the broad mechanical coverage and flexible aiming.

Product 2: Reolink Argus 4 Pro 4K...
4.2

Articulation evidence was limited but positive, with one reviewer praising the flexible bracket for easy aiming.

Audio recording quality
Product 1: Eufy E340 Floodlight Camera
4.2

Two-way audio was generally clear enough for visitors and conversations, though it was not framed as premium audio.

Product 2: Reolink Argus 4 Pro 4K...
4.0

Two-way audio was viewed as useful and well implemented overall, though another reviewer treated the listening side as stronger than the speaker side.

Battery life
Product 1: Eufy E340 Floodlight Camera
No score yet
Product 2: Reolink Argus 4 Pro 4K...
2.7

Battery life was one of the most split attributes: solar-backed tests could be strong, but reviewers repeatedly criticized standalone, cold-weather, or high-activity drain.

Build quality
Product 1: Eufy E340 Floodlight Camera
4.3

Build quality was viewed as solid to excellent, though one reviewer felt the plastic body was less rugged and elegant than a rival.

Product 2: Reolink Argus 4 Pro 4K...
4.5

Build quality was consistently praised as robust, durable, premium, or well made.

Cable management
Product 1: Eufy E340 Floodlight Camera
4.0

Cable handling and installation support were mostly helpful, especially hidden cabling and the hook, but one reviewer questioned the wire-block approach.

Product 2: Reolink Argus 4 Pro 4K...
3.6

Cable management was mostly positive because the camera avoids data and power runs, but USB-C charging fit created a practical annoyance for one reviewer.

Cloud storage plan value
Product 1: Eufy E340 Floodlight Camera
5.0

Reviewers strongly valued the optional cloud model because core features and storage can be used without recurring subscription fees.

Product 2: Reolink Argus 4 Pro 4K...
3.5

Cloud storage was treated as optional rather than essential; reviewers appreciated that cloud upsells were avoidable, but noted extra cost when cloud backup was desired.

Color accuracy
Product 1: Eufy E340 Floodlight Camera
5.0

Color reproduction received strong praise, with reviewers noting vivid, realistic hues and unusually faithful color capture.

Product 2: Reolink Argus 4 Pro 4K...
4.1

Color accuracy was usually strong at night, though one reviewer noted bright light sources could be overblown.

Connectivity options
Product 1: Eufy E340 Floodlight Camera
5.0

Connectivity was mostly praised, with reviewers reporting strong range, quick network connection, and solid Wi-Fi performance.

Product 2: Reolink Argus 4 Pro 4K...
4.8

Connectivity options were praised in the review that highlighted rock-solid dual-band Wi-Fi 6 plus rare FTP and NAS support.

Continuous recording capability
Product 1: Eufy E340 Floodlight Camera
4.8

Continuous recording was a major strength because the hardwired E340 can record around the clock when storage is available.

Product 2: Reolink Argus 4 Pro 4K...
1.8

Continuous recording was a major limitation because reviewers repeatedly noted motion-triggered-only recording or the lack of 24/7 recording.

Cross-camera tracking
Product 1: Eufy E340 Floodlight Camera
3.5

Cross-camera tracking through HomeBase was considered useful but still immature, with beta-like errors noted.

Product 2: Reolink Argus 4 Pro 4K...
3.8

Cross-camera tracking was mentioned as a useful Home Hub perk, but the reviewer did not personally test it.

Customer support responsiveness
Product 1: Eufy E340 Floodlight Camera
2.5

Customer support and warranty handling surfaced as a weakness in user-feedback reporting, especially around post-warranty issues.

Product 2: Reolink Argus 4 Pro 4K...
No score yet
Customizable motion zones
Product 1: Eufy E340 Floodlight Camera
4.6

Motion zones were seen as easy and effective, helping reduce irrelevant triggers through app-based zone and sensitivity controls.

Product 2: Reolink Argus 4 Pro 4K...
4.3

Reviewers liked the ability to tune sensitivity, zones, non-detection areas, object sizes, and schedules to reduce unwanted motion captures.

Detection features
Product 1: Eufy E340 Floodlight Camera
4.5

Detection and tracking features were widely praised, though a few reviews noted false positives or default settings needing adjustment.

Product 2: Reolink Argus 4 Pro 4K...
4.3

Detection features were widely praised for person, animal, vehicle, and motion recognition, with some reviewers calling them accurate or precise.

Detection range
Product 1: Eufy E340 Floodlight Camera
4.8

Detection and detail range were strong in test evidence, including reliable person detection and clear distant yard coverage.

Product 2: Reolink Argus 4 Pro 4K...
4.7

Detection range tested well, with reviewers reporting person or vehicle detection at long distances, including one 40-foot test and a much farther driveway test.

Digital zoom clarity
Product 1: Eufy E340 Floodlight Camera
4.3

Zoom clarity was generally strong, especially for hybrid and digital zoom, though one reviewer noticed some blur with 3x optical zoom.

Product 2: Reolink Argus 4 Pro 4K...
No score yet
Dual-band (2.4/5GHz) performance
Product 1: Eufy E340 Floodlight Camera
5.0

Dual-band Wi-Fi performance was praised in hands-on use, including solid connectivity and fast 5 GHz results.

Product 2: Reolink Argus 4 Pro 4K...
4.3

Dual-band/Wi-Fi 6 performance was viewed positively, with reviewers citing solid connectivity, lower lag, less interference, and better outdoor signal potential.

Dual-camera design
Product 1: Eufy E340 Floodlight Camera
4.7

The dual-camera design was one of the clearest strengths, giving reviewers both broad context and telephoto detail.

Product 2: Reolink Argus 4 Pro 4K...
4.5

The dual-camera design was one of the best-liked attributes, enabling broad 180-degree coverage from one compact unit.

Dual-stream recording
Product 1: Eufy E340 Floodlight Camera
3.5

Dual-stream or dual-view capability was useful to some reviewers, but one found the compressed dual-view mode reduced image quality.

Product 2: Reolink Argus 4 Pro 4K...
4.5

The stitched dual-stream approach was praised for preserving clarity across the wide composite image.

Durability
Product 1: Eufy E340 Floodlight Camera
4.3

Durability impressions were positive overall, with improved toughness and IP65-related confidence, though not every reviewer stress-tested it.

Product 2: Reolink Argus 4 Pro 4K...
3.5

Durability evidence was mixed: the camera hardware felt tough, but one reviewer warned solar-panel components can degrade outdoors.

Event recording reliability
Product 1: Eufy E340 Floodlight Camera
4.5

Event recording reliability benefited from hardwired power, out-of-view detection, and continuous recording that reduce missed events.

Product 2: Reolink Argus 4 Pro 4K...
4.0

Event recording was useful when incidents were captured to microSD and easy to review later, though broader recording reliability evidence was limited.

False alert filter effectiveness
Product 1: Eufy E340 Floodlight Camera
4.1

False-alert performance was mixed but positive overall: several reviewers praised filtering, while others saw cats, chairs, or trees misidentified.

Product 2: Reolink Argus 4 Pro 4K...
4.1

False-alert filtering was generally effective after tuning, with reviewers praising sensitivity controls, object-size filters, and fewer false alerts.

Field of view
Product 1: Eufy E340 Floodlight Camera
4.6

Coverage was a major strength, with reviewers praising the wide property view, pan coverage, and ability to cover larger spaces.

Product 2: Reolink Argus 4 Pro 4K...
4.1

The 180-degree horizontal view was the product’s defining strength for yards, driveways, and broad perimeters, but reviewers repeatedly warned about the narrow vertical view and small-area fit.

Floodlight brightness
Product 1: Eufy E340 Floodlight Camera
4.8

Floodlight brightness was repeatedly praised as powerful and useful, though one reviewer warned that poor aiming can wash out night details.

Product 2: Reolink Argus 4 Pro 4K...
No score yet
Frame rate
Product 1: Eufy E340 Floodlight Camera
2.5

Frame rate was a recurring weakness because 15 fps can blur or chop fast-moving subjects.

Product 2: Reolink Argus 4 Pro 4K...
2.7

The 15fps limit was a recurring drawback for motion clarity, with several reviewers noting choppiness or jerkiness despite one smooth-video impression.

HomeKit integration
Product 1: Eufy E340 Floodlight Camera
1.5

HomeKit integration was a consistent weakness because the E340 lacks Apple HomeKit support.

Product 2: Reolink Argus 4 Pro 4K...
1.5

HomeKit and Apple Home support were clear misses for reviewers who wanted the feed available in Apple’s smart-home ecosystem.

Hub requirement
Product 1: Eufy E340 Floodlight Camera
4.3

The hub is optional for core use, but reviewers noted HomeBase adds valuable storage and AI while raising initial cost.

Product 2: Reolink Argus 4 Pro 4K...
4.0

The hub was optional rather than required, and reviewers liked that it could add storage or RTSP-style functionality without forcing a base station.

IFTTT/automation compatibility
Product 1: Eufy E340 Floodlight Camera
1.8

IFTTT and broader automation compatibility were weak, with reviewers calling out absent IFTTT and limited third-party triggers.

Product 2: Reolink Argus 4 Pro 4K...
No score yet
Included accessories
Product 1: Eufy E340 Floodlight Camera
4.8

Included accessories helped setup, with reviewers appreciating hardware, the installation hook, and everything needed for mounting.

Product 2: Reolink Argus 4 Pro 4K...
4.4

Included accessories were consistently appreciated, especially the solar panel, straps, brackets, hardware, templates, and mounting supplies.

Installation and Mounting
Product 1: Eufy E340 Floodlight Camera
4.0

Installation was usually considered manageable with existing wiring, but the hardwired setup may require an electrician.

Product 2: Reolink Argus 4 Pro 4K...
4.4

Setup and mounting were repeatedly described as simple, quick, foolproof, or easy, making installation one of the product’s most consistent strengths.

Lens distortion correction
Product 1: Eufy E340 Floodlight Camera
No score yet
Product 2: Reolink Argus 4 Pro 4K...
3.7

Lens stitching and distortion were mixed: some saw minimal distortion, while others found the center stitch could blur faces or objects.

Local storage option convenience
Product 1: Eufy E340 Floodlight Camera
4.8

Local storage was one of the product’s strongest value points, especially microSD and HomeBase options that avoid monthly fees.

Product 2: Reolink Argus 4 Pro 4K...
4.4

Local storage was one of the strongest points, with praise for microSD, hub, FTP/NAS choices, privacy benefits, and avoiding mandatory cloud fees.

Low-light performance
Product 1: Eufy E340 Floodlight Camera
4.8

Low-light performance was praised for clear detail, especially when the floodlights enabled color night footage.

Product 2: Reolink Argus 4 Pro 4K...
4.2

Low-light performance was generally strong when some ambient light or spotlight help was available, but pitch-black performance was more qualified.

Microphone sensitivity
Product 1: Eufy E340 Floodlight Camera
4.0

Microphone pickup was good enough for clear two-way conversation in hands-on use.

Product 2: Reolink Argus 4 Pro 4K...
3.8

The microphone side was acceptable for listening through the camera, but the evidence was narrower than for video or detection.

Mobile app reliability
Product 1: Eufy E340 Floodlight Camera
4.0

The mobile app experience was mostly stable and easy to manage, though one review mentioned minor firmware or connectivity glitches.

Product 2: Reolink Argus 4 Pro 4K...
3.7

The Reolink app was usually considered useful or efficient, but some reviewers found the app clunky, unhelpful, or slower to show live previews.

Mounting flexibility
Product 1: Eufy E340 Floodlight Camera
4.0

Mounting flexibility was useful, including wall or ceiling placement and a workaround plug-in installation, though hardwiring still limits placement.

Product 2: Reolink Argus 4 Pro 4K...
4.2

Mounting flexibility was widely praised for brackets, straps, wall/tree options, and no-screw setups, though one reviewer found the ball joint hard to tighten.

Night vision
Product 1: Eufy E340 Floodlight Camera
4.9

Night vision was repeatedly praised, both in infrared and color modes, with several reviewers calling it crisp or excellent.

Product 2: Reolink Argus 4 Pro 4K...
4.5

Night vision earned strong praise for full-color output and useful detail, though a few reviewers found it weaker in no-light scenes or prone to smear/overexposure.

Notification management
Product 1: Eufy E340 Floodlight Camera
3.8

Notification management was adjustable and useful, but false-alert silencing and short delays made it somewhat mixed.

Product 2: Reolink Argus 4 Pro 4K...
3.7

Notification management was mixed: tuning and scheduling were useful, but the lack of notification snooze was a repeated-style frustration in one detailed review.

Notification speed
Product 1: Eufy E340 Floodlight Camera
4.3

Notifications were often fast or instant, though one reviewer measured a few-second delay in real use.

Product 2: Reolink Argus 4 Pro 4K...
4.1

Notification speed was generally positive, with reviewers describing fast or acceptable alert response times in hands-on tests.

On-device features
Product 1: Eufy E340 Floodlight Camera
4.5

On-device and subscription-free features were a major selling point, especially free AI-related controls and local processing options.

Product 2: Reolink Argus 4 Pro 4K...
4.2

On-device extras were useful, especially the timelapse feature, which one reviewer said worked well.

On-device processing (AI)
Product 1: Eufy E340 Floodlight Camera
4.5

On-device AI was generally effective for detection and tracking, especially with HomeBase, though false positives still occurred.

Product 2: Reolink Argus 4 Pro 4K...
4.5

On-device processing was praised for object-size filtering and more consistent detection behavior than some other cameras reviewers had used.

ONVIF/RTSP support
Product 1: Eufy E340 Floodlight Camera
1.5

ONVIF support was called out as absent, making cross-manufacturer integration weaker.

Product 2: Reolink Argus 4 Pro 4K...
2.5

ONVIF/RTSP support was weak or conditional, with reviewers noting native limitations and hub-dependent RTSP access.

Operating temperature range
Product 1: Eufy E340 Floodlight Camera
No score yet
Product 2: Reolink Argus 4 Pro 4K...
2.0

Operating-temperature performance was a concern, especially in cold-weather use where battery life degraded badly.

Optical zoom performance
Product 1: Eufy E340 Floodlight Camera
4.7

Optical zoom performance was praised for detailed telephoto views and useful long-distance detail.

Product 2: Reolink Argus 4 Pro 4K...
No score yet
PoE
Product 1: Eufy E340 Floodlight Camera
No score yet
Product 2: Reolink Argus 4 Pro 4K...
2.0

PoE was a weakness for this battery camera; one reviewer specifically pointed buyers toward Reolink’s PoE Duo line for wired needs.

Power options (battery)
Product 1: Eufy E340 Floodlight Camera
2.5

Battery power flexibility was weak because the E340 is hardwired and not suited to buyers wanting a battery camera.

Product 2: Reolink Argus 4 Pro 4K...
3.1

Battery-based power made installation easier, but reviewers warned that heavy use or residential 24/7 expectations can expose battery limits.

Power options (solar panel)
Product 1: Eufy E340 Floodlight Camera
No score yet
Product 2: Reolink Argus 4 Pro 4K...
3.9

The solar panel was often praised as effective or essential, but reviewers warned it depends heavily on sunlight, weather, and cold conditions.

Price value
Product 1: Eufy E340 Floodlight Camera
4.8

Price value was strong because reviewers saw high performance, no fees, and unusually broad features for the price.

Product 2: Reolink Argus 4 Pro 4K...
3.8

Price value was mostly positive because of the feature set, solar panel, local storage, and two-camera-like coverage, but wired-camera value comparisons created some pushback.

Privacy zone masking ease
Product 1: Eufy E340 Floodlight Camera
4.0

Privacy zones were presented as useful and straightforward for blurring areas like neighboring windows.

Product 2: Reolink Argus 4 Pro 4K...
4.3

Privacy masking was well received, with reviewers describing it as clever, useful, and fully blacked out in recordings.

PTZ (pan/tilt/zoom) control responsiveness
Product 1: Eufy E340 Floodlight Camera
4.4

PTZ responsiveness and tracking were mostly smooth and effective, with one review noting occasional lag in manual controls.

Product 2: Reolink Argus 4 Pro 4K...
No score yet
Recording start-time lag
Product 1: Eufy E340 Floodlight Camera
3.5

Recording start-time lag was not a dominant complaint, but one source reported occasional delays between detection and recording.

Product 2: Reolink Argus 4 Pro 4K...
3.2

Recording start timing was mixed: one review found slow trigger behavior, while another test showed prompt recording as motion approached.

Size and footprint
Product 1: Eufy E340 Floodlight Camera
2.8

Size and footprint were a drawback for some reviewers because the camera is large and not especially elegant.

Product 2: Reolink Argus 4 Pro 4K...
3.6

Size and footprint opinions were mixed: some praised the compact body, while others found the solar setup or camera awkward, bigger, or ugly.

Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread)
Product 1: Eufy E340 Floodlight Camera
3.3

Smart-home integration was mixed: Alexa and Google worked, but Apple, Matter, IFTTT, and deeper controls were missing.

Product 2: Reolink Argus 4 Pro 4K...
2.6

Smart-home integration was mixed to weak: Alexa and Google support were useful, but reviewers criticized missing Home Assistant, Apple Home, and deeper automations.

Smart home accessory compatibility
Product 1: Eufy E340 Floodlight Camera
4.5

Smart accessory compatibility worked well for Alexa and Google actions, including one tested Alexa routine.

Product 2: Reolink Argus 4 Pro 4K...
2.0

Smart-home accessory compatibility was limited because reviewers could not trigger lights or use the camera as a deeper automation endpoint.

Smart search accuracy
Product 1: Eufy E340 Floodlight Camera
No score yet
Product 2: Reolink Argus 4 Pro 4K...
4.2

Smart search/filtering by subject was supported by accurate differentiation of people, animals, cars, and motion events.

Speaker volume
Product 1: Eufy E340 Floodlight Camera
3.8

Speaker and siren output was loud enough for deterrence, but audio quality was described as limited rather than exceptional.

Product 2: Reolink Argus 4 Pro 4K...
2.1

Speaker volume was a clear weakness; reviewers said the built-in speaker was quiet or not loud enough for easy two-way communication.

Spotlight features
Product 1: Eufy E340 Floodlight Camera
4.7

Spotlight features were flexible and well-liked, including adjustable brightness, schedules, and motion-activated lighting.

Product 2: Reolink Argus 4 Pro 4K...
4.0

Spotlights were generally helpful and sometimes very bright, though reviewers distinguished them from true floodlights and one saw odd on/off behavior.

Streaming reliability
Product 1: Eufy E340 Floodlight Camera
3.0

Streaming reliability was mixed, with some quick live feeds but occasional slow loading or bandwidth-related playback issues.

Product 2: Reolink Argus 4 Pro 4K...
4.6

Live view and streaming reliability were generally praised, with reviewers calling the feed smooth, quick, responsive, or faster to connect remotely.

System scalability
Product 1: Eufy E340 Floodlight Camera
4.5

System scalability was a strength for Eufy users, especially with HomeBase storage and multi-camera expansion.

Product 2: Reolink Argus 4 Pro 4K...
4.1

System scalability was positive when paired with the Home Hub, which reviewers saw as useful for centralized storage and protecting recordings.

Video resolution and detail
Product 1: Eufy E340 Floodlight Camera
4.9

Video detail was one of the strongest areas, with reviewers repeatedly praising sharp 3K footage and detailed zoomed views.

Product 2: Reolink Argus 4 Pro 4K...
4.5

Reviewers consistently described the stitched 4K-style footage as crisp, sharp, detailed, or crystal clear, especially for wide outdoor coverage.

Weather resistance rating (IP code)
Product 1: Eufy E340 Floodlight Camera
3.8

Weather resistance was generally adequate, but one source advised covered mounting to reduce long-term moisture risk.

Product 2: Reolink Argus 4 Pro 4K...
4.2

Weather resistance was treated positively, with reviewers trusting the IP-rated construction for outdoor use.

wired
Product 1: Eufy E340 Floodlight Camera
4.5

The hardwired design was a tradeoff: it limits flexibility but supports reliable power, stronger lighting, and continuous recording.

Product 2: Reolink Argus 4 Pro 4K...
4.5

Wired alternatives were recommended by one reviewer for buyers who prioritize stable, long-term 24/7 surveillance over wireless convenience.