Unlock modes: Fingerprint /Password /IC Card / APP / Mechanical Key Supported app name: Tuya app Fingerprint recognition time: 0.25S Fingerprint Users: 100pcs Card Users: 100pcs Password Users: 100pcs Power supply: 4pcs AA battery (not included) Operating temperature: -25 to 55 Centigrade Suitable door thickness: 20-80mm( Wooden door, Steel door, Iron door, other metal doors) Emergency Charging: Mircro USB port Material:Zinc alloy
