Facial Recognition Unlock Unlocks automatically as you approach, no keys or fingerprints needed. Works seamlessly even when your hands are full, wet from the rain, or in low-light conditions. Recognition range 0.6 to 0.9 meters, Height coverage: 1.2 to 2 meters Secure Local Facial Recognition Powered by financial grade 3D structured light technology with a false recognition rate of less than 0.0001. All facial data is processed and stored locally never uploaded to the cloud for enhanced privacy and peace of mind. Triple Power Protection Enjoy up to 9 months of battery life with the main battery, backed by a backup battery, and an emergency supercapacitor. Works even in extreme cold down to minus 40°C. When charging the main battery, the backup seamlessly takes over. Even if both run out, you can still unlock the door using emergency microcurrent power. No more lockout worries. Sleek, Drill-Free Installation for Any Lock Sleek all-metal body, now 50 slimmer. Features magnetic quick release design and seamless base ring for gap free installation no drilling required, no damage to your existing lock. Includes 3 wood grain finish stickers to match different home styles. Optional accessory kit adapts to 99 of non-standard locks sold separately. Multiple Unlocking Methods In addition to the innovative facial recognition, the SwitchBot Lock Ultra Vision Combo also supports fingerprint, password, voice commands, Apple Watch, and remote unlocking via the app. This set includes the Matter-compatible Hub Mini, compatible with third-party platforms such as HomeKit, Alexa, and Google.