The Smart Device Compare comparison

Aqara Smart Lock U400 vs Wyze Auto-Lock Bolt v2

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Aqara Smart Lock U400 and Wyze Auto-Lock Bolt v2

A summary of selected recorded differences between these door locks. Check the full specification table below for details and conditions.

Feature differences among your selected devices

2.4 GHz Wi-Fi (connectivity): Aqara Smart Lock U400 — No; Wyze Auto-Lock Bolt v2 — Yes.
Other (connectivity): Aqara Smart Lock U400 — Yes (UWB (Ultra-Wideband), NFC); Wyze Auto-Lock Bolt v2 — No.
Apple Home (integrations): Aqara Smart Lock U400 — Yes; Wyze Auto-Lock Bolt v2 — No.
Matter (integrations): Aqara Smart Lock U400 — Yes; Wyze Auto-Lock Bolt v2 — No.

Specifications to check side by side

Thread (connectivity): Aqara Smart Lock U400 — Thread Border Router required; Wyze Auto-Lock Bolt v2 — No.
Battery Life (power): Aqara Smart Lock U400 — 6 months; Wyze Auto-Lock Bolt v2 — 8 months.
Battery Type (power): Aqara Smart Lock U400 — Built-in; Wyze Auto-Lock Bolt v2 — 8x AA.

Information still to confirm

11 of 45 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
Check the full table and manufacturer documentation before ruling out a device.

These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.

Compare capabilities, compatibility and setup requirements.

Option 1 · Aqara

Aqara Smart Lock U400

Last updated October 2026

View full device profile

Option 2 · Wyze

Wyze Auto-Lock Bolt v2

Last updated October 2026

View full device profile

What the catalog tells us

Understand the tradeoffs.

These counts describe the available data, not a quality score. More features do not automatically make a better device.

10differences with recorded values for every device

11rows with missing or unspecified information

Consider your setup

Apple Home

Aqara Smart Lock U400Yes
Wyze Auto-Lock Bolt v2No

Confirm which features appear in Apple Home and whether extra hardware or a subscription is needed for your intended use.

Inspect the specifications

Consider your setup

Matter

Aqara Smart Lock U400Yes
Wyze Auto-Lock Bolt v2No

Confirm the exact device type and the features exposed in your chosen platform. Protocol support does not establish feature parity across apps.

Inspect the specifications

Consider your setup

Battery Life

Aqara Smart Lock U4006 months
Wyze Auto-Lock Bolt v28 months

Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.

Inspect the specifications

Your priorities, side by side

Focus on what changes.

Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.

Differences onlyMy priorities (0)

Showing 45 of 45 rows. “Not recorded” does not mean “No”.

Reading layout

Alerts

Door Lock Unlock

Aqara Smart Lock U400: Yes
Wyze Auto-Lock Bolt v2: Yes

Low Battery Alert

Aqara Smart Lock U400: Yes
Catalog note
Low battery notification when battery level drops to 20%
Wyze Auto-Lock Bolt v2: Yes

Multiple Unlocking Failure Alert

Aqara Smart Lock U400: Not recorded
Wyze Auto-Lock Bolt v2: Not recorded

Tamper Proof Alert

Aqara Smart Lock U400: Yes
Catalog note
Forced entry and door left ajar alerts
Wyze Auto-Lock Bolt v2: Not recorded

Automatic Lock

After Door Closed

Aqara Smart Lock U400: Yes
Catalog note
Built-in gyro sensor detects the door closing and locks automatically
Wyze Auto-Lock Bolt v2: Yes
Catalog note
Auto-lock

Away

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

Geolocation

Aqara Smart Lock U400: Not recorded
Wyze Auto-Lock Bolt v2: Not recorded

Connectivity

2.4 GHz Wi-Fi

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: Yes

5 GHz Wi-Fi

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

Bluetooth

Aqara Smart Lock U400: Yes
Wyze Auto-Lock Bolt v2: Not recorded

Other

Aqara Smart Lock U400: Yes
Catalog note
UWB (Ultra-Wideband), NFC
Wyze Auto-Lock Bolt v2: No

Thread

Aqara Smart Lock U400: Thread Border Router required
Wyze Auto-Lock Bolt v2: No

Z Wave

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

Zigbee

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

Features

Anti Peep Password

Aqara Smart Lock U400: Yes
Wyze Auto-Lock Bolt v2: Yes

Doorbell

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

Emergency Fingerprint

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

One Time Password

Aqara Smart Lock U400: Yes
Wyze Auto-Lock Bolt v2: Not recorded

Periodic Password

Aqara Smart Lock U400: Yes
Wyze Auto-Lock Bolt v2: Not recorded

Integrations

Alexa

Aqara Smart Lock U400: Yes
Catalog note
Via Matter over Thread: Aqara lists Apple Home, Home Assistant, Google Home, Amazon Alexa and Samsung SmartThings, each needing a Thread-enabled Matter controller of that ecosystem.
Wyze Auto-Lock Bolt v2: Yes
Catalog note
Wyze lists Alexa among the ways to operate the Bolt v2; locking by voice is allowed and unlocking is not, which is Alexa's own restriction on locks

Apple Home

Aqara Smart Lock U400: Yes
Wyze Auto-Lock Bolt v2: No

Google Home

Aqara Smart Lock U400: Yes
Catalog note
Via Matter over Thread: Aqara lists Apple Home, Home Assistant, Google Home, Amazon Alexa and Samsung SmartThings, each needing a Thread-enabled Matter controller of that ecosystem.
Wyze Auto-Lock Bolt v2: Not recorded

Home Assistant

Aqara Smart Lock U400: Yes
Wyze Auto-Lock Bolt v2: Not recorded

Matter

Aqara Smart Lock U400: Yes
Wyze Auto-Lock Bolt v2: No

SmartThings

Aqara Smart Lock U400: Yes
Catalog note
Via Matter
Wyze Auto-Lock Bolt v2: No

Lock System

Apple Home Key

Aqara Smart Lock U400: Yes
Catalog note
Tap to unlock and UWB hands-free unlock with iPhone or Apple Watch (requires Thread-enabled Apple Home hub)
Wyze Auto-Lock Bolt v2: No

Bluetooth

Aqara Smart Lock U400: Yes
Wyze Auto-Lock Bolt v2: Not recorded

Face Recognition

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

Fingerprint

Aqara Smart Lock U400: Yes
Wyze Auto-Lock Bolt v2: Yes
Catalog note
AI learning fingerprint scanner, unlocks in 0.5 seconds

Nfc Tag

Aqara Smart Lock U400: Yes
Wyze Auto-Lock Bolt v2: No

Passcode

Aqara Smart Lock U400: Yes
Catalog note
Touchscreen keypad
Wyze Auto-Lock Bolt v2: Yes
Catalog note
Anti-peep keypad

Physical Key

Aqara Smart Lock U400: Yes
Catalog note
Rekeyable mechanical key
Wyze Auto-Lock Bolt v2: Yes
Catalog note
Backup keys included

Remote

Aqara Smart Lock U400: Yes
Catalog note
Aqara Hub / Thread Border Router required for remote access
Wyze Auto-Lock Bolt v2: Yes
Catalog note
Built-in Wi-Fi, manage via the Wyze app

Power

Backup Battery

Aqara Smart Lock U400: USB-C Emergency Port
Wyze Auto-Lock Bolt v2: USB-C Emergency Port

Battery Life

Aqara Smart Lock U400: 6 months
Wyze Auto-Lock Bolt v2: 8 months

Battery Type

Aqara Smart Lock U400: Built-in
Wyze Auto-Lock Bolt v2: 8x AA

Sensors

Open Close

Aqara Smart Lock U400: Not recorded
Wyze Auto-Lock Bolt v2: Not recorded

Video

2k Video

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

Customizable Area

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

Hd Video

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

Internal Storage

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

microSD card slot

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

Motion Detection

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

Night Vision

Aqara Smart Lock U400: No
Wyze Auto-Lock Bolt v2: No

Range Of Detection

Aqara Smart Lock U400: Not applicable / unspecified
Wyze Auto-Lock Bolt v2: Not applicable / unspecified

Specifications for Aqara Smart Lock U400 versus Wyze Auto-Lock Bolt v2
Specification	Aqara Smart Lock U400	Wyze Auto-Lock Bolt v2
Alerts
Door Lock Unlock	Yes	Yes
Low Battery Alert	Yes Catalog note Low battery notification when battery level drops to 20%	Yes
Multiple Unlocking Failure Alert	Not recorded	Not recorded
Tamper Proof Alert	Yes Catalog note Forced entry and door left ajar alerts	Not recorded
Automatic Lock
After Door Closed	Yes Catalog note Built-in gyro sensor detects the door closing and locks automatically	Yes Catalog note Auto-lock
Away	No	No
Geolocation	Not recorded	Not recorded
Connectivity
2.4 GHz Wi-Fi	No	Yes
5 GHz Wi-Fi	No	No
Bluetooth	Yes	Not recorded
Other	Yes Catalog note UWB (Ultra-Wideband), NFC	No
Thread	Thread Border Router required	No
Z Wave	No	No
Zigbee	No	No
Features
Anti Peep Password	Yes	Yes
Doorbell	No	No
Emergency Fingerprint	No	No
One Time Password	Yes	Not recorded
Periodic Password	Yes	Not recorded
Integrations
Alexa	Yes Catalog note Via Matter over Thread: Aqara lists Apple Home, Home Assistant, Google Home, Amazon Alexa and Samsung SmartThings, each needing a Thread-enabled Matter controller of that ecosystem.	Yes Catalog note Wyze lists Alexa among the ways to operate the Bolt v2; locking by voice is allowed and unlocking is not, which is Alexa's own restriction on locks
Apple Home	Yes	No
Google Home	Yes Catalog note Via Matter over Thread: Aqara lists Apple Home, Home Assistant, Google Home, Amazon Alexa and Samsung SmartThings, each needing a Thread-enabled Matter controller of that ecosystem.	Not recorded
Home Assistant	Yes	Not recorded
Matter	Yes	No
SmartThings	Yes Catalog note Via Matter	No
Lock System
Apple Home Key	Yes Catalog note Tap to unlock and UWB hands-free unlock with iPhone or Apple Watch (requires Thread-enabled Apple Home hub)	No
Bluetooth	Yes	Not recorded
Face Recognition	No	No
Fingerprint	Yes	Yes Catalog note AI learning fingerprint scanner, unlocks in 0.5 seconds
Nfc Tag	Yes	No
Passcode	Yes Catalog note Touchscreen keypad	Yes Catalog note Anti-peep keypad
Physical Key	Yes Catalog note Rekeyable mechanical key	Yes Catalog note Backup keys included
Remote	Yes Catalog note Aqara Hub / Thread Border Router required for remote access	Yes Catalog note Built-in Wi-Fi, manage via the Wyze app
Power
Backup Battery	USB-C Emergency Port	USB-C Emergency Port
Battery Life	6 months	8 months
Battery Type	Built-in	8x AA
Sensors
Open Close	Not recorded	Not recorded
Video
2k Video	No	No
Customizable Area	No	No
Hd Video	No	No
Internal Storage	No	No
microSD card slot	No	No
Motion Detection	No	No
Night Vision	No	No
Range Of Detection	Not applicable / unspecified	Not applicable / unspecified

Know what’s behind the comparison.

The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.

Read our comparison methodology