1.Material:Aluminium Alloy
2.Unlocking by fingerprint+mechanical key in emergency
3.Fingerprint Technology:Semiconductor
4.User capacity:fingerprint≤42Pcs
5.Low voltage alarm
6.External charging with Android interface USB charging cable
7.Working power supply:3.7V-4.2V(voltage),800mA lithium battery
8.Fingerprint recognition rate: false recognition rate≤0.001%,rejection rate≤0.1%
9.Operating Current:Static≤30uA,Dynamic≤500mA
10.Working temperature:-25~55℃
11.Working humidity:15%~90%RH
12.Applicable door thickness:38-120mm
13.Battery Life:more than 5000 times unlocking