Aqara UWB Smart Lock U400
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.
Auto-lock received broad support through Apple Home timing options, Aqara lock-on-close behavior, and reviewers reporting reliable day-to-day operation.
Pros: Lock/unlock speed, Smart-home integration (Alexa
Cons: Physical attack resistance, Hub requirement
Auto-lock is consistently praised for flexibility (from very short delays up to about 30 minutes) and for preventing accidentally-unlocked doors, but some users disable it to avoid being locked out...
Pros: Existing hardware reuse, Hub requirement
Cons: Battery, Voice control
Auto-lock is widely described as reliable and flexible, with adjustable timers and scheduling, though it is timer-based rather than true door-position sensing.
Pros: Locking reliability, Notifications
Cons: Door-sense, Geofencing
Auto-lock is widely praised and highly configurable (immediate to timed delays). The built-in door-closed sensing helps prevent locking before the door is shut, improving real-world reliability.
Pros: Door-sense, Key override reliability
Cons: Geofencing
Auto-locking is widely praised and configurable (often cited in the 5–300 second range), helping the door re-secure itself without relying on habits.
Pros: Fingerprint, Finish durability
Cons: Notifications, Smart-home integration (Alexa
Auto-lock is widely praised for flexibility: you can set short delays and schedules, and it generally waits for the door to be closed before engaging. A few notes suggest edge...
Pros: Physical attack resistance, Weather resistance
Cons: Value and Price
Auto-lock is highly configurable (often described from ~15 seconds to 15 minutes) and can be scheduled on some setups; however, one expert review warns that misalignment can cause auto-lock to...
Pros: Value and Price, Lock/unlock speed
Cons: Geofencing
Auto-lock is a major strength: it is configurable (seconds to minutes), and in Wi-Fi/door-sensor setups it can avoid locking when the door is open/ajar. A recurring minor complaint is that...
Pros: Door compatibility (deadbolt fit), Weather resistance
Cons: Two-factor authentication availability, Jam detection
Auto-lock features are frequently praised, including timed auto-lock and door-closed-based locking; reviewers also like modes that temporarily bypass auto-lock for high-traffic situations.
Pros: Guest Codes and Access, User access management
Cons: Fingerprint, Warranty and support
Auto-lock is frequently praised for preventing forgotten locks, with adjustable delays from seconds to minutes; a minority caution that auto-lock can be annoying if the door is often opened/closed rapidly...
Pros: Hub requirement, Physical attack resistance
Cons: Auto-unlock, Door-sense
Auto-lock is widely praised and is often configurable (short delays up to several minutes) and can tie into Nest Home/Away behavior. Multiple testers report it working reliably, though it can...
Pros: Weather resistance, Warranty and support
Cons: Auto-unlock, Door-sense
Auto-lock is commonly praised for peace of mind and flexibility (including short delays and schedules). Some reviewers cautioned that auto-lock can be risky if your door isn’t reliably closed/aligned or...
Pros: Lock/unlock speed, Access logs
Cons: Door-sense, Jam detection
Auto-lock is widely praised when configured, especially when paired with the door sensor to confirm the door is closed, and timing controls are commonly cited. However, at least one reviewer...
Pros: Backset compatibility, Guest Codes and Access
Cons: Keyway quality, Pick/drill resistance (if rated)
Auto-lock is described as configurable with delays and schedules, but practical intelligence may be limited because at least one hands-on review says there is no door-ajar sensor. Auto-unlock is presented...
Pros: Hub requirement, Value and Price
Cons: Door-sense
Auto-lock is flexible (timers, door-closed conditions) and often works well when the door sensor is accurate and the door’s mechanics are straightforward. On certain doors (lift-to-lock or sensor misreads), auto-lock...
Pros: Existing hardware reuse, Battery
Cons: Finish durability, Auto-unlock
Auto-relock/auto-lock features are commonly praised for convenience and worked consistently in testing, but toggling settings may require opening the interior panel and using small switches.
Pros: Existing hardware reuse, Locking reliability
Cons: Key override reliability, Bluetooth
Auto-lock is flexible (timer-based and, with DoorSense, door-closed-based) and usually reliable, but a few users report edge cases where it attempted to lock when the door was open or wish...
Pros: Security features (encryption), Two-factor authentication availability
Cons: Warranty and support, Battery
Auto-lock is supported and commonly used, but multiple reviewers note it is configured in the Schlage app (or handled via Apple Home automations) rather than being fully exposed inside Apple...
Pros: Build quality and durability, Finish durability
Cons: Geofencing, Door-sense
Auto-lock is widely reported as available and adjustable (commonly 5 to 900 seconds). Some users wish it supported scheduling, and others note the setting can be harder to find in...
Pros: Hub requirement, Door compatibility (deadbolt fit)
Cons: Door-sense, Geofencing
Auto-lock can be enabled and timed in-app (example: ~90 seconds), providing set-and-forget security once the door is closed. Hands-free face access and other biometric/PIN methods make entry convenient, but at...
Pros: Backset compatibility, Lock/unlock speed
Cons: Voice control, Smart-home integration (Alexa
Auto-lock is configurable and works well when the door and strike are well-aligned, but some reports suggest it can fail or beep if the deadbolt does not slide smoothly. Facial...
Pros: Auto-unlock, Lock/unlock speed
Cons: None
Auto-lock is feature-rich (door-close sensing, timers, schedules, passage mode), and many find it convenient. However, some reviews label it beta and report occasional misfires or latch problems if calibration or...
Pros: Locking motor, Backset compatibility
Cons: Wi-Fi, Keyway quality
Auto-lock works as a time-based setting and is generally seen as useful, but reviewers note it cannot confirm the door is actually closed. Some users compensate with Home automations using...
Pros: Smart-home integration (Alexa, Google
Cons: Fingerprint, Door-sense
Auto-lock timing is flexible (seconds to minutes) and often works reliably once configured. A few reviewers report it becoming inconsistent until a reset, and several note there is no geofence-based...
Pros: Existing hardware reuse, Access logs
Cons: Build quality and durability, Fingerprint
Auto-lock is available with a short delay range (often cited as 5 to 120 seconds) and works as intended for many users, but its time-based nature and limited delay range...
Pros: Hub requirement, Backset compatibility
Cons: Door-sense, Smart-home integration (Alexa
Auto-lock is configurable and often works as intended, but several reviewers warn it can be risky without door sensing because the bolt may extend while the door is still open....
Pros: Hub requirement, Locking motor
Cons: Auto-unlock, Door-sense