1. Model: S011M 2. Material: aluminum alloy 3. Size: about 26x6.4x5cm 4. Working temperature: -20 ~ 50 degrees Celsius 5. Fingerprint storage capacity: 200 (pieces) 6. Navigation system: intelligent voice system, Bluetooth navigation 7. Power supply: 4 AA alkaline batteries (need to be prepared) 8. Emergency power supply: USB emergency power supply 9. Applicable door thickness: 40-90mm 10. Scope of application: wooden door apartment lock, hotel door lock, rental room door lock 11. Unlocking method: fingerprint, password, credit card, APP, key, Bluetooth (optional), ID card (optional)