✅Double security of fingerprint/finger vein and facial recognition intelligent lock combination. ✅Wide range of 3D facial recognition and ultra large wide-angle recognition.✅Infrared rays capture three-dimensional facial information, without selecting lighting environments, and can recognize faces day and night.✅Anti peeping and anti-theft security password, any number can be entered before and after the correct password, as long as it contains a continuous correct password, the lock can be unlocked.✅Anticipate abnormal situations in advance and push them to your phone in real-time on the app, whether you are at home or not,allowing you to feel at ease and rest assured.