* Convenient : No need key,no need to remember password,only a NFC android smartphone

*  Safety : unlock the lock by most safety authorized Code

* Auto lock : the lock will lock itself after 6 seconds,in case of you left the lock unlocked

* Emergency use : your friend or family members can open the lock even if you are tens of thousands kms away,only need to send a message or email

* Authority management : different authority lever controls different functions

* Passage mode : if you are taking a party, you can set the lock into passage mode

* Valid period : invite your friend for a specific time. Encrypted code can't unlock when the specific time is over.

* Application :  hotel,condo,home,cabinet

* Easy installation : Easily replace most existing deadbolts with a screwdriver in about 30 minutes Ideal for front doors, garage entry doors, and side and back doors
Specification:
* Dimension: ( H x W x D) 6.5' x 6.5' x 1.063'' (single side size)
* Working voltage:6V(4*AA battery)
* Net Weight: 3.96 pounds(1.8kg)
* Working current:200mA
* Standby current: 15μA-30μA
* Working temperature: -104°F~ 185°F(-40 °C ~85°C)
* Working humidity: 20%-85%
* ESD: >15KV
* Low voltage alarm:4.5V
* Suitable thickness:0.984''-2.563''(28-65mm)
* Lock material: Zinc alloy
* Support card type: NFC card,IC card