Eufy S340 Solar Camera

Eufy S340 Solar Camera Review

Brand: eufy
Released: August 2023
Updated: 2 weeks ago
3.8
Consolidated expert score
279
Review insights
58
Scored features
20
Expert reviews

Bottom Line

Choose the Eufy SoloCam S340 for crisp 3K video, strong solar charging, flexible pan/tilt coverage, and no monthly storage fees. Skip it if you need HomeKit, true 24/7 recording, cleaner notification controls, or smoother fast-motion footage.

Best for

Best for people who want a wire-free outdoor camera with strong solar charging, local storage, dual-lens zoom, and broad pan/tilt coverage without monthly fees.

Not for

Not for users who need HomeKit or IFTTT, true 24/7 recording, discreet hardware, a fixed-camera bargain, or granular notification controls for vehicles and people.

Verdict

The Eufy SoloCam S340 stands out in reviews for sharp 3K video, useful optical zoom, smooth AI tracking, local storage, and solar charging that often keeps the battery topped up with little effort. Its strongest tradeoff is convenience versus control: the wire-free solar design avoids hard wiring and subscriptions, but it also means clip-based recording, possible start-time lag, and no true 24/7 recording. Reviewers also like the dual lenses and broad pan/tilt coverage, while repeatedly criticizing HomeKit and IFTTT gaps, limited frame rate, occasional false alerts, and notification controls that can be harder than expected to tune.

Compared in Reviews

Products reviewers directly compared with this model, grouped into quick takeaways.

Arlo Essential XL Outdoor

  • Alternative: solar outdoor camera alternative PCMag frames the Arlo Essential XL Outdoor plus solar charger as a similar alternative, but the surrounding review says it gives up S340 strengths like local storage and pan/tilt.

Eufy SoloCam S220

  • Alternative: fixed-camera alternative Trusted Reviews presents the Eufy SoloCam S220 as a more useful fixed-camera option when pan/tilt and dual lenses are unnecessary.

EufyCam 3 S330

  • Better: multi-camera coverage and 4K recording PCMag treats the EufyCam 3 S330 as the better upgrade when multiple monitored areas or sharper 4K video matter.

Feature Scorecards

Summary

58 reviewed features
  • Very positive 4.5-5.0 26% 15 features
  • Positive 3.5-4.4 50% 29 features
  • Neutral 2.5-3.4 12% 7 features
  • Negative 1.5-2.4 12% 7 features
  • Very negative below 1.5 0% 0 features

Pros

  • 4.7
    based on 17 reviews
    Power options (solar panel): 4.7, based on 17 reviews
    Solar power is the most consistently praised feature, with many reviewers saying it keeps the camera topped up or effectively eliminates charging.
  • 4.7
    based on 4 reviews
    Cloud storage plan value: 4.7, based on 4 reviews
    Reviewers strongly value the subscription-free approach and repeatedly contrast it favorably with cameras that require paid cloud plans.
  • 4.7
    based on 8 reviews
    Dual-camera design: 4.7, based on 8 reviews
    The dual-camera design is a standout strength, giving reviewers both wide context and close-up detail.
  • 4.7
    based on 2 reviews
    Mobile app reliability: 4.7, based on 2 reviews
    The mobile app is described as responsive and fast for playback when the system is configured well.
  • 4.6
    based on 7 reviews
    Optical zoom performance: 4.6, based on 7 reviews
    Optical zoom is one of the strongest features, repeatedly helping reviewers see license plates, faces, and close-up detail.
  • 4.6
    based on 3 reviews
    Build quality: 4.6, based on 3 reviews
    Build quality is praised across reviews as premium, stylish, solid, and well made.
  • 4.6
    based on 16 reviews
    Video resolution and detail: 4.6, based on 16 reviews
    Reviewers consistently praise the S340's 3K video as sharp, clear, detailed, and strong enough for identifying people, cars, and other outdoor activity.
  • 4.6
    based on 2 reviews
    Durability: 4.6, based on 2 reviews
    Durability is rated well where discussed, with reviewers citing sturdy construction and reliable outdoor performance.
  • 4.6
    based on 2 reviews
    Smart home accessory compatibility: 4.6, based on 2 reviews
    Accessory compatibility is positive where tested, including successful Alexa routines with smart lights.
  • 4.5
    based on 15 reviews
    Detection features: 4.5, based on 15 reviews
    Detection features are widely praised, especially AI tracking and smart detection, though some false alerts remain.
  • 4.5
    based on 1 review
    On-device features: 4.5, based on 1 review
    On-device features are treated positively through the broad smart-functionality set that works without a subscription.
  • 4.5
    based on 1 review
    Pre-event recording length: 4.5, based on 1 review
    Pre-event capture is a plus in the review that mentions it, showing a second or two before motion begins.
  • 4.5
    based on 1 review
    System scalability: 4.5, based on 1 review
    Scalability evidence is limited but positive, focused on HomeBase support for adding many cameras.
  • 4.5
    based on 10 reviews
    On-device processing (AI): 4.5, based on 10 reviews
    On-device and HomeBase AI are generally praised for detection and tracking, though one review found only fair performance.
  • 4.5
    based on 2 reviews
    Microphone sensitivity: 4.5, based on 2 reviews
    Microphone pickup is praised for capturing outdoor sounds and being quite good during live use.
  • 4.4
    based on 4 reviews
    Mounting flexibility: 4.4, based on 4 reviews
    Mounting flexibility is a strength, helped by wall/ceiling options, remote solar placement, and wire-free placement choices.
  • 4.4
    based on 4 reviews
    Battery life: 4.4, based on 4 reviews
    Battery life is strong when solar is available, but busy scenes and frequent motion can drain it faster.
  • 4.4
    based on 2 reviews
    Customizable motion zones: 4.4, based on 2 reviews
    Motion zones are viewed as useful because they let users fine-tune alerts and reduce false positives.
  • 4.4
    based on 2 reviews
    Speaker volume: 4.4, based on 2 reviews
    Speaker output is described as clear and loud enough for remote communication.
  • 4.4
    based on 1 review
    Operating temperature range: 4.4, based on 1 review
    The sole opinionated temperature-range evidence says the camera keeps performing reliably across hot and cold conditions.
  • 4.4
    based on 13 reviews
    Installation and Mounting: 4.4, based on 13 reviews
    Installation is mostly considered easy and quick, though included screws and certain mounting situations can make it more frustrating.
  • 4.3
    based on 12 reviews
    Night vision: 4.3, based on 12 reviews
    Night vision is broadly well liked, especially infrared and detailed nighttime footage, though some color night results depend on lighting and spotlight use.
  • 4.2
    based on 5 reviews
    Streaming reliability: 4.2, based on 5 reviews
    Live view and playback are generally quick, especially with HomeBase, though some reviewers report occasional delays loading the feed.
  • 4.2
    based on 16 reviews
    Local storage option convenience: 4.2, based on 16 reviews
    Local storage and no-fee recording are major strengths, but several reviewers flag the 8GB onboard limit or camera theft risk as caveats.
  • 4.2
    based on 13 reviews
    Price value: 4.2, based on 13 reviews
    Value is positive overall despite a higher upfront price, because reviewers weigh it against solar power, local storage, and no subscriptions.
  • 4.2
    based on 9 reviews
    PTZ (pan/tilt/zoom) control responsiveness: 4.2, based on 9 reviews
    Pan, tilt, and tracking controls are mostly smooth and responsive, but a few reviewers want faster motors or more responsive manual control.
  • 4.2
    based on 3 reviews
    Weather resistance rating (IP code): 4.2, based on 3 reviews
    Weather resistance is viewed positively overall, though one reviewer warns that weatherproofing does not mean fully waterproof.
  • 4.2
    based on 2 reviews
    Privacy zone masking ease: 4.2, based on 2 reviews
    Privacy masking is positively described through blackout/privacy zones that let users block sensitive areas.
  • 4.2
    based on 1 review
    Lens distortion correction: 4.2, based on 1 review
    The only opinionated lens-distortion evidence describes the view as moderately wide and undistorted.
  • 4.2
    based on 3 reviews
    Connectivity options: 4.2, based on 3 reviews
    Connectivity works well when Wi-Fi is strong, but reviewers caution that outdoor placement depends on signal quality.
  • 4.1
    based on 3 reviews
    Notification speed: 4.1, based on 3 reviews
    Notification speed is usually fast, with some reviews reporting alerts within seconds, though another found a short delay after motion is sensed.
  • 4.1
    based on 3 reviews
    Field of view: 4.1, based on 3 reviews
    Coverage is generally broad, with reviewers valuing the wide lens and pan movement, though one notes the native view is narrower than true 360-degree coverage.
  • 4.1
    based on 12 reviews
    App controls and settings: 4.1, based on 12 reviews
    The app is feature-rich and often intuitive, but some settings are quirky, buried, or imperfect.
  • 4.0
    based on 5 reviews
    Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread): 4.0, based on 5 reviews
    Alexa and Google support work well, but broader smart-home compatibility is limited by missing Apple, IFTTT, and other ecosystems.
  • 4.0
    based on 4 reviews
    Audio recording quality: 4.0, based on 4 reviews
    Audio quality ranges from poor in one review to loud, clear, and practical in others, so the overall evidence is positive but not uniform.
  • 4.0
    based on 3 reviews
    Cable management: 4.0, based on 3 reviews
    Cable management is mixed: remote solar placement is helpful, but the included cable length can be limiting.
  • 3.9
    based on 3 reviews
    Articulation range: 3.9, based on 3 reviews
    Articulation range is useful for broad coverage, but one reviewer disputes the practical 360-degree claim.
  • 3.8
    based on 3 reviews
    Color accuracy: 3.8, based on 3 reviews
    Color output is mostly liked, especially vivid daytime footage, but color night video can look dull or less smooth.
  • 3.7
    based on 4 reviews
    Hub requirement: 3.7, based on 4 reviews
    The hub is optional for basic use but can be costly; reviewers value the added AI and storage when HomeBase is used.
  • 3.7
    based on 3 reviews
    Detection range: 3.7, based on 3 reviews
    Detection range earns mixed feedback: long-distance detection can work well, but side and rear blind spots limit coverage in some installations.
  • 3.6
    based on 3 reviews
    Low-light performance: 3.6, based on 3 reviews
    Low-light performance is useful but mixed, with reviewers appreciating extra detail while noting motion blur or the need for more light in color mode.
  • 3.6
    based on 3 reviews
    Power options (battery): 3.6, based on 3 reviews
    Battery power is convenient for avoiding hard wiring, but reviewers note tradeoffs such as no 24/7 recording, indoor charging, or battery drain from frequent motion.
  • 3.6
    based on 2 reviews
    Spotlight features: 3.6, based on 2 reviews
    Spotlight feedback is mixed: it helps nighttime footage, but color-night use can drain battery.
  • 3.5
    based on 2 reviews
    Floodlight brightness: 3.5, based on 2 reviews
    Lighting is useful but not floodlight-level on the S340; one comparison says the solar light is much dimmer than the wired floodlight.

Cons

  • 3.4
    based on 7 reviews
    False alert filter effectiveness: 3.4, based on 7 reviews
    False-alert filtering is mixed: AI and zones can reduce false alarms, but cats, wind, and trigger-happy motion still cause problems.
  • 3.2
    based on 3 reviews
    Size and footprint: 3.2, based on 3 reviews
    Size opinions are mixed: some find it compact enough, while others call it bulky or not discreet.
  • 3.2
    based on 2 reviews
    Event recording reliability: 3.2, based on 2 reviews
    Event recording evidence is mixed: an earlier review found missing footage, while a later update says full events now record properly.
  • 3.1
    based on 4 reviews
    Digital zoom clarity: 3.1, based on 4 reviews
    Digital zoom is mixed: it can be useful, but several reviewers complain about cropping, lost resolution, or annoying zoom behavior.
  • 2.8
    based on 4 reviews
    Included accessories: 2.8, based on 4 reviews
    Included accessories are mixed because useful items like hooks or solar hardware are offset by complaints about cheap or stripped screws.
  • 2.6
    based on 6 reviews
    Notification management: 2.6, based on 6 reviews
    Notification management is a recurring frustration, especially around vehicle alerts, geofencing, snoozing, and buried notification settings.
  • 2.5
    based on 2 reviews
    Frame rate: 2.5, based on 2 reviews
    Frame rate is a weak spot: reviewers cite 15 fps limits that can cause blur, choppiness, or less smooth recordings.
  • 2.4
    based on 3 reviews
    Recording start-time lag: 2.4, based on 3 reviews
    Battery-triggered recording can lag at the start, with reviewers noting missed first seconds or a desire for faster motion-triggered recording.
  • 2.4
    based on 2 reviews
    Dual-stream recording: 2.4, based on 2 reviews
    Dual-stream or dual-view recording is a weakness because reviewers say it reduces image quality and is not worth using.
  • 2.3
    based on 1 review
    Smart search accuracy: 2.3, based on 1 review
    Smart search earns a low score from the one reviewer who wanted stronger face and filter search capabilities.
  • 2.1
    based on 3 reviews
    Continuous recording capability: 2.1, based on 3 reviews
    Continuous recording is a notable limitation for the solar S340 because reviewers say it records clips rather than true 24/7 footage.
  • 2.0
    based on 2 reviews
    Dual-band (2.4/5GHz) performance: 2.0, based on 2 reviews
    Dual-band performance scores poorly because the review evidence specifically notes that the camera does not support 5GHz Wi-Fi.
  • 1.7
    based on 3 reviews
    IFTTT/automation compatibility: 1.7, based on 3 reviews
    IFTTT and automation compatibility are weak because reviewers repeatedly note missing IFTTT support and limited deeper automation integration.
  • 1.6
    based on 3 reviews
    HomeKit integration: 1.6, based on 3 reviews
    HomeKit support is a clear weakness, with multiple reviews explicitly noting that the S340 lacks it.

Compared With Category Average

Compared with other Surveillance Cameras, this product is above average in Cloud storage plan value, below average in Dual-stream recording, Dual-band (2.4/5GHz) performance, Smart search accuracy.

Summary

8 compared features
  • Above average 0.4+ pts higher 13% 1 feature
  • Same as average within 0.3 pts 0% 0 features
  • Below average 0.4+ pts lower 88% 7 features
Attribute This product Category average Difference
Dual-stream recording 2.4 4.3 -1.9
Dual-band (2.4/5GHz) performance 2.0 3.8 -1.8
Smart search accuracy 2.3 4.1 -1.8
IFTTT/automation compatibility 1.7 3.2 -1.5
Notification management 2.6 3.9 -1.3
Continuous recording capability 2.1 3.4 -1.3
Recording start-time lag 2.4 3.5 -1.1
Cloud storage plan value 4.7 3.6 +1.1

FAQ

Does the Eufy SoloCam S340 require a subscription?

No. Reviewers repeatedly value its local storage and no-fee recording, though cloud storage or HomeBase can be used for more capacity or extra features.

How good is the S340's video quality?

Reviewers generally describe the 3K footage as sharp, crisp, and detailed. The dual-lens design is especially useful for combining a wide view with close-up optical zoom.

Does the solar panel really keep the camera charged?

Most reviewers say the solar panel works very well and keeps the battery topped up with enough sunlight. Busy motion areas can still drain the battery faster.

Can the S340 record continuously?

The solar S340 is mainly a motion-clip camera, and reviewers note that it does not offer true 24/7 recording. Some also mention start-time lag or missing early moments.

Does it work with HomeKit or IFTTT?

Reviewers consistently note that it does not support HomeKit, IFTTT, or Matter. Alexa and Google Assistant support are the main smart-home integrations discussed.

Are the notifications good?

Notifications are often fast, but management is a recurring complaint. Reviewers mention vehicle-alert frustrations, buried notification settings, geofencing gaps, and occasional false alerts.

Sample Expert Reviews We Analyzed

These are a few of the reviews included in our analysis.

Video Reviews

Article Reviews

Consider This Instead

If you want better Dual-band (2.4/5GHz) performance

Choose Eufy E340 Floodlight Camera. It scores 5.0 vs 2.0 for Dual-band (2.4/5GHz) performance, with a 4.1 overall score.

Compare

If you want better Continuous recording capability

Choose WYZE Duo Cam Pan Camera. It scores 4.7 vs 2.1 for Continuous recording capability, with a 3.8 overall score.

Compare

If you want better Dual-stream recording

Choose Tapo C675D. It scores 4.8 vs 2.4 for Dual-stream recording, with a 4.2 overall score.

Compare

Overall Top Surveillance Cameras Alternatives

#1 eufy 4K NVR Security Camera System S4 Max
4.3

Choose the S4 Max for serious wired security, local AI, sharp 4K footage, and strong tracking. Skip it if you need easy wireless setup, broad smart-home integration, or a budget...

Pros: Detection range, Recording start-time lag

Cons: ONVIF/RTSP support, HomeKit integration

#2 Tapo C615F Kit
4.2

Best for solar-powered, wire-free yard coverage with strong value and bright lighting. Skip it if you need flawless app reliability, true continuous video, or premium low-light tracking.

Pros: Speaker volume, Lens distortion correction

Cons: Field of view, Detection range

#3 Eufy EufyCam S3 Pro Security Camera
4.2

Choose the EufyCam S3 Pro if you want sharp 4K footage, standout color night vision, solar-assisted battery life, and local storage without mandatory fees. Skip it if the HomeBase requirement,...

Pros: Low-light performance, Color accuracy

Cons: Speaker volume, Frame rate

#4 Tapo C675D
4.2

Best for wide outdoor coverage, fast tracking, solar power, and local storage. Skip it if clean audio, direct HomeKit support, compact size, or richer notification controls matter most.

Pros: Low-light performance, Floodlight brightness

Cons: HomeKit integration, Echo/noise cancellation