1 Fully automatic and video peephole ,semiconductor fingerprint 2 C-level blade structure Lock core,violent unlocking proof,little black box proof 3 Emergency power supply:5V Micro type-c, emergency unlock 4 Infrared binocular 3D face recognition 5 4′inch OLED panel, local video, motion detect& capture the photo and send tophone 6 Unlocking ways: fingerprint、password、 card、 key、app、3D face recognation、palmar vein 7 App: tuya/Usmartgo