Product description UWB Hands-Free Unlocking for iPhone Users Click to play video The Definitive Hands-Free Unlocking Experience Powered by Ultra-Wideband (UWB), the Smart Lock U400 unlocks as you approach with your iPhone or Apple Watch. a hands-free, privacy preserving entry with no codes and no biometric checks.
Note: UWB requires a Thread-enabled Apple Home hub(HomePod 2, HomePod mini, Apple TV 4K 2021/2022) and is supported on Apple Watch Series 6+ (excl. SE) running watchOS 11.5 + and iPhone 11+ (excl. iPhone SE & 16e) running iOS 18.5 +. For the smoothest UWB experience, iOS 26.2 or later is recommended. Click to play video Unlocks Only When It Should Based on range and angle measurements, UWB detects your exact position to determine your unlock intention. It unlocks precisely when you're ready to enter and avoids any accidental or delayed openings. Even if you walk by or stand near the entrance, it stays locked until you approach head-on with the intention to enter, preventing accidental unlocks and delivering a truly secure, hands-free experience. Click to play video Why choose UWB? No fingerprints, no face scans, no delays just walk in. Unlike fingerprint or facial recognition, UWB unlocking doesnt require collecting or storing your biometric data. Theres no scanning, no waiting, and nothing to fail when conditions arent perfect. Rain-soaked hands, gloves on, or a hat, mask, and scarf covering your face UWB still works smoothly.
As you approach, the door unlock