Kit contains:<\/strong>
1x Aqara Smart Door Lock U400 (front panel, back panel, deadbolt)
Related installation fixtures and accessories
1x Aqara Hub M100<\/pre>\n\n\n\n
- \n
- Hands-Free Unlock with Ultra-Wideband Support: <\/strong>UWB-enabled iPhone or Apple Watch, and the door unlocks instantly. No tapping, swiping, or entering codes required.<\/li>\n\n\n\n
- Matter over Thread: <\/strong>Powered by Matter over Thread, the U400 works with Apple Home, Google Home, Amazon Alexa, Samsung SmartThings, and other Matter-compatible platforms for stable, reliable performance.<\/li>\n\n\n\n
- Apple Home Keys: <\/strong>Supports two modes \u2013 Express Mode, which unlocks the door with a quick tap; or a more secure mode which requires Face ID or Passcode before the door unlocks.<\/li>\n\n\n\n
- Lithium Ion Rechargeable Battery with USB-C Port: <\/strong>The Aqara U400 has a rechargeable 4,880 mAh battery that lasts up to six months per charge. It also features a USB-C charging port on the panel<\/li>\n\n\n\n
- Low Battery Alerts: <\/strong>Voice prompts and a half-lit keypad announce a 20 percent low-battery alert. The UWB indicator light will also change from green to yellow, prompting the user to charge.<\/li>\n\n\n\n
- Weatherproof and BHMA 3: <\/strong>The smart door lock has an IP65-rated outer panel that resists dust and heavy rain, and can operate in extreme temperatures down to -35\u00b0C. <\/li>\n\n\n\n
- Quiet Mode and Auto Lock Feature: <\/strong>Auto lock engages when the door closes using a built-in gyroscope. You may activate its Do Not Disturb mode which lowers the volume and mutes noncritical prompts for a quieter home. <\/li>\n\n\n\n
- Comes with M100:<\/strong> The Hub M100 can be paired with the Aqara U400 as an Aqara Matter Controller, enabling remote control. <\/li>\n<\/ul>\n\n\n\n
* Aqara hub is required to have remote access in the Aqara app.
**<\/strong>Apple HomeKit support will require an Apple Home Pod.
***Apple Home Keys will require an Apple Home Pod.
****Installation is possible for doors with thickness of 35-55mm. installation for gate is possible with a gate lock box. Do check with us if gate is compatible.<\/em><\/p>\n\n\n\n.<\/em><\/p>\n\n\n\n
\n![\"1.](\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\")
<\/figure>\n\n\n\n<\/figure>\n\n\n\n<\/figure>\n\n\n\n<\/figure>\n\n\n\n - Matter over Thread: <\/strong>Powered by Matter over Thread, the U400 works with Apple Home, Google Home, Amazon Alexa, Samsung SmartThings, and other Matter-compatible platforms for stable, reliable performance.<\/li>\n\n\n\n
![\"1.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/1.-u400-intro-1024x389.jpg\")
<\/figure>\n\n\n\n![\"2.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/2.-u400-hands-free-unlock-1024x356.jpg\")
<\/figure>\n\n\n\n![\"3.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/3.-u400-hands-free-unlock.jpg\")
<\/figure>\n\n\n\n![\"4.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/4.-u400-hands-free-unlock-1024x410.jpg\")
<\/figure>\n\n\n\n![\"5.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/5.-u400-weather-resistance.jpg\")
<\/figure>\n\n\n\n![\"6.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/6.-u400-weather-resistance.jpg\")
<\/figure>\n\n\n\n![\"7.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/7.-u400-auto-unlocking-1024x440.jpg\")
<\/figure>\n\n\n\n![\"8.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/8.-u400-multiple-unlocking-options.jpg\")
<\/figure>\n\n\n\n![\"9.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/9.-u400-matter-over-thread-1024x395.jpg\")
<\/figure>\n\n\n\n![\"10.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/10.-u400-smart-living.jpg\")
<\/figure>\n\n\n\n![\"11.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/11.-u400-automations.jpg\")
<\/figure>\n\n\n\n![\"12.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/12.-u400-rechargeable-battery.jpg\")
<\/figure>\n\n\n\n![\"13.](\"https:\/\/pfetech.com\/aqara\/wp-content\/uploads\/2026\/01\/13.-u400-easy-recharge.jpg\")
<\/a><\/figure>\n\n\n\n