‎Equipped with an electronic lock and Digital pin access, Yale offers quick set-up and easy operation., It comes with Spring loaded door for automatic opening for more convenience, Operation Notifications & Sound: Keypad Sound on/off option, Display on/off option, Easy operation for new code setting: Enter passcode and press “Key” to set a new code and lock the safe at the same time, Master Code for guest house application (Administration mode to change master code and other options), Low battery warning