Product Highlights
Category:Fingerprint Door Lock
Features:
Material : Zinc alloy,
Power supply : 4.5 ~ 6.5V(4 pcs AA alkaline batteries),
Blue tooth standard : 4.1 BLE ,
Support phone system :Android 4.3/IOS 7.0 above
Alarm voltage : 4.8V ±0.2V .
Specifications