Intelligent Door Lock Features Unlock Type: APP/ Fingerprint/ Password/IC card/Key Material: Aluminum Alloy+Acylic Size: 22.5*65*277mm Power supply: 4*AAA Mortise choice: 5050 Low voltage alarm: 5V Working current: = 250mA Standby current: = 75uA Color: Black Suitable door thickness:35-55mm App: Tuya Package includes: Front panel x 1 Rear panel x 1 Mortise lock x 1 Smart card x 2 Mechanical Key x 2 Screw Kit x 1