A: 3-6 digit combination self-set password to eliminate the possibility of code collision,

B: Enter the wrong password three times in a row and the keyboard will be locked for 5-15 minutes to prevent malicious behavior

C: The inside of the box is covered with protective gray carpet

D: Double locking head design for door bolt Solid steel 20mm electric deadbolt for extra security

E: 4-6 holes are preset in the box, and the floor or wall installation and placement can be selected

F: The standard operating instructions in Chinese, English and Japanese on the right side of the door panel can be made in other languages according to needs

G: Optional non-standard configurations such as laptop power adapter, built-in LED lighting door panel signage, etc. can be designed according to the upgrade of hotel hardware, software or management requirements. Related compatible protocol interfaces can be designed