eufy Video Smart Lock S330
Highest scored product for this feature based on supporting review evidence.
Highest scored product for this feature based on supporting review evidence.
Balances feature score, supporting reviews, and overall product strength.
Has the broadest review evidence for this feature.
Strongest overall product among items with scored evidence for this feature.
When working well, unlocking was described as instant or very fast, especially through fingerprint recognition.
Pros: Lock/unlock speed, Wi-Fi
Cons: Jam detection, Door compatibility (deadbolt fit)
Speed was a standout: one article cited two-second unlock latency, while a hands-on reviewer found face recognition extremely fast.
Pros: Lock/unlock speed, Locking motor
Cons: Smart-home integration (Alexa, Google
Unlocking speed is strongly positive, with reviewers calling keypad/fingerprint unlocking speedy, seamless, and quick.
Pros: Lock/unlock speed, Keypad
Cons: Door-sense, Battery
Lock/unlock responsiveness was excellent in testing, especially with voice commands.
Pros: Lock/unlock speed, Locking reliability
Cons: Door compatibility (deadbolt fit), Hub requirement
Lock and unlock speed scored strongly in the one clear opinionated review that called the lock fast and quiet.
Pros: Lock/unlock speed, Security features (encryption)
Cons: Door-sense, Keyway quality
Lock and unlock speed is praised as very fast through the Veno app or Matter.
Pros: Lock/unlock speed, Wi-Fi
Cons: Feature additions via updates, Warranty and support
Locking and unlocking speed was consistently praised, with reviewers describing fingerprint entry, app control, and operation as fast or instant.
Pros: Lock/unlock speed, Locking reliability
Cons: Auto-relock after failed attempts, Door compatibility (deadbolt fit)
Locking and unlocking were repeatedly described as quick, especially through Siri, Home Key, and the fast motorized action.
Pros: Lock/unlock speed, Fingerprint
Cons: Keyway quality, Wi-Fi
Lock/unlock speed was one of the strongest themes, especially with UWB; reviewers described fast reactions, instant Home app response, and few delay caveats.
Pros: Locking reliability, Lock/unlock speed
Cons: Bluetooth, Physical attack resistance
Unlocking speed was a major strength, with reviewers describing near-instant fingerprint or app response.
Pros: Value and Price, Lock/unlock speed
Cons: Existing hardware reuse, Door compatibility (deadbolt fit)
Unlock speed was praised across most reviews, especially through fingerprint and app commands, though one Matter review found Matter actions slightly slower.
Pros: Weather resistance, User access management
Cons: Locking motor, Remote access
Lock and unlock speed was a major strength, especially facial recognition, with reviewers repeatedly describing access as nearly instant, quick, or within seconds.
Pros: Touchscreen, Hub requirement
Cons: Camera and doorbell performance, Door-sense
Lock/unlock response was usually fast or instant, with one reviewer describing it as only somewhat more responsive than another lock.
Pros: Bluetooth, Hub requirement
Cons: Door-sense, Fingerprint
Lock/unlock speed was generally strong, with reviewers describing quick keypad response, fast auto-unlock behavior, and instant fingerprint unlocking.
Pros: Lock/unlock speed, Guest Codes and Access
Cons: Backset compatibility, Warranty and support
Lock and unlock speed was consistently positive, with instant app response or unlocks taking only a couple of seconds.
Pros: Auto-lock, Touchscreen
Cons: Notifications, Smart-home integration (Alexa
Unlocking was consistently described as quick, especially with HomeKey, keypad, and improved hub/Matter response paths.
Pros: Access logs, Value and Price
Cons: Warranty and support, Wi-Fi
Locking and unlocking speed earned strong praise, with multiple reviewers describing Home Key, app, voice, or Thread responses as very quick or nearly instant.
Pros: Locking reliability, Lock/unlock speed
Cons: Weather resistance, Door-sense
Locking and unlocking were typically fast, with several reviewers praising instant response; Magic Shake was the notable speed-related exception.
Pros: Locking reliability, Build quality and durability
Cons: Two-factor authentication availability, Backset compatibility
Home Key and app unlocking were generally quick, with reviewers describing NFC as immediate and app responses as just a few seconds.
Pros: Industrial design, Build quality and durability
Cons: Pick/drill resistance (if rated), Keyway quality
Unlocking is consistently described as fast, with palm, NFC, app, and general access methods often responding within seconds or less.
Pros: Wi-Fi, Hub requirement
Cons: Door-sense, Geofencing
Speed was mostly positive for voice and remote response, though one reviewer found it fast but slower than pricier locks.
Pros: Feature additions via updates, Locking reliability
Cons: Door-sense, Auto-relock after failed attempts
Lock/unlock speed was mostly praised as fast or quicker than prior models, though Bluetooth phone unlocking could take several seconds in one review.
Pros: App, Battery
Cons: Geofencing, Jam detection
App/manual locking was often described as instant, smooth, or quick, but one reviewer found physical keys faster than app, Siri, or watch workflows.
Pros: Locking motor, Physical attack resistance
Cons: Fingerprint, Battery
Most reviewers found locking and unlocking responsive or snappy, but one reported app delays and repeated taps before the lock engaged.
Pros: Key override reliability, Remote access
Cons: Warranty and support, Bluetooth
Locking speed was mixed, with one review praising prompt Alexa locking while another noticed the lock ran a bit slower than normal.
Pros: Existing hardware reuse, Build quality and durability
Cons: Weather resistance, Locking motor