Various access for your convenience – password/ card/key/smart phone .
American standard single latch for easy replacement and installation .
Enhanced security by random password for code access .
. Idle handle design to prevent from forcible entry
. Voice guide for easier and more convenient use .
Voice volume is adjustable, includes mute mode .
Smart alarm for low battery & illegal operation .
Normal open mode.
External terminals to draw back-up power from a 9V battery