Item No: P7027 Bluetooth smart lock
1.Material: Aluminum Alloy
2.Working Voltage:4AA Alkaline Batteries
3.Door Thickness:35-70mm
4.Size:L149mm*W75mm*H30mm
5.Unlock Ways: Password, Key, APP
6.Low Voltage Alarm4.8V
7.Emergency Charge: External charging with standard interface USB
8.Mechanical Keys: 3 pieces