Aqara U400 Smart Door Lock Silver | DL-D16D

The Aqara U400 Smart Door Lock Silver (DL-D16D) is a premium smart lock designed for secure, seamless access, featuring advanced Ultra-Wideband (UWB) technology that enables true hands-free unlocking as you approach with a compatible device. It supports multiple access methods including Apple Home Key, fingerprint, PIN code, NFC (card sold separately), mobile app, voice assistants, and a mechanical key, providing flexible and reliable entry options. Built with Matter over Thread, the U400 integrates with major smart home platforms such as Apple Home, Google Home, Alexa, and SmartThings for enhanced connectivity. Designed for real-world use, it features an IP65 weather-resistant rating, auto-lock functionality, and a rechargeable battery with up to 6 months of use per charge, making it an ideal solution for modern, connected homes.