Super password function protect your safety,you can input any digits before and after the true code,(for example,****+2569+****),total length must be less than 20 digits.Don’t worry people around you will figure out the true code.
Suitable for left-hand and right-hand door.You can rotate the screw in the hole behind the lock,then you can change the direction of the handle.
Keypad illuminates when touched,long battery life,4pcs AA battery can provide 10000 openings (about 1 years) when the battery is less than 4.6V, after unlocking, the lock will alarm 9 times continuously.
Applicable door thickness between 35-55mm(1 3/8"-1 3/4"),easy installation and operation.No amendment for door required, Most people can install it by own.Any question please watch the video below.