Power supply:  4pcs 1.5V AA batteries
Battery life: 15000 times
Static current: < 20 uA
Dynamic current:  <150 mA
Storage temperature: -20 – + 58  °C
Storage humidity: 10-60% RH
Working temperature: -20 – + 58 °C
Working humidity: 10-60% RH
Detection distance: 0-5cm
Data storage time :Over 10 years
Applicable chip: Mifare-1 card(13.56MHz)
Successful rate of unlocking: 100%
Low voltage alarm critical point: 4.8V
Mechanical key type: Key alike/ Key different
Required door decorative edge: Over 130mm to door edge