• Various access for your convenience - password/card/key/smart phone

• 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
• American standard single latch for easy installation and replacement - DL30B
• German standard mortise with one latch and one deadbolt - turn handle upward to lock the deadbolt for more security - DL30DB