Bluetooth iOS / Android
Mechanical Key Unlock
For 30-50mm Thickness Door
Use 4pcs AAA 1.5V Battery
Low Battery Alarming
With emergency power input / mechanical key
About Phone APP:
Bluetooth 4.0, compatible with most Android and iOS smartphone.
Close to the door use the APP unlock.
Make Temporary password to the guest remotely. (support once password / Limit time passwprd / Permanent password).
Guard against peeping (input any number before the correct number)
Suitable for 30-50mm thickness door.
The spring bolt can be adjusted 60mm or 70mm. (defailt is 60mm):