. Operation: enter the password to open and close the door
. Size: panel: W58*D10（20）*H84 mm, a lock core: W45*D29*H118 mm
. Material: ABS
. Characteristic.
. Two level management: manage passwords and user password.
. 1 ~ 10 bit password customer set free
. Simple installation and operation, easy to use.
. Low voltage alarm
. The external battery case of emergency power supply
. Three to the lock, safe and reliable