OverviewSmart Solutions for your home YDR 414 has multiple modes of access like Fingerprint pin code and mechanical key override Automatic Locking AutoLock automatically secures your front door once its closed Enjoy peaceofmind never worrying if your door is locked Convenience It can upgrade your existing door lock and supports door thickness from 35 mm to 55 mm No wires no hassle and easy to replace with 4 x AA batteries and a warning when they are running low The locks memory will also ensure all credentials and settings remain when changing the batteries making this simple and hassle free Low battery alarm and emergency power supply terminal It warns in case of low battery with alarm and LED When the batteries are completely discharged you can easily supply emergency power to the lock with a standard 9V battery Connectivity Wire less connectivity with Video Door Phones Separate Accessories required Voice Guide Feature As the voice guide is offered that lets you know the operation status and how to set each features and mode for easier and more convenient use Operation Status Notification Different pattern of numbers present various operation notifications after each operation Normal Master mode For multiuser environment YDR 414 can be set to Security Master mode that the master can register and delete each user while Normal mode controls all the users at one time Inside Forced Lock If the inside Forced Lock is set any attempt to open a door from outside whether its be a Fingerprint or Pin Code wont work