Main material: Zinc Alloy + IML
Central distance: 72mm
Suitable width of door: 40mm - 90mm
Fingerprint capacity: 200
Password capacity: 50
Power supply: 4* AAA Alkaline batteries
Low power alert: <4.5V
Emergency power supply: Micro USB
Working temperature: -10℃ ~ 60℃
Working humidity: 20%RH ~ 93%RH