Camera for MUL-T-LOCK Digital Door Viewer 3130 Utility & Furniture Locks These locks have the batteries

These locks have the batteries located on the outside and do not have a key override

25 x Internal plug pin 5

Hollon HS-1400E Home & Office Fire Safe

the MUL-T-LOCK Hercular deadbolt is truly spectacular

MUL-T-LOCK's Patented MT5+ Key Control System

Camera for MUL-T-LOCK Digital Door Viewer 3130 Utility & Furniture Locks These locks have the batteriesWhen visitors press the door bell button on the door viewer camera the door bell will ring inside of the room. At the same time the screen inside the door will turn on automatically to show the outside images and will last for 20 seconds before turning itself off. Also as the door bell is pressed the camera will automatically take a photo of the visitors and the photo will be stored in the TF card in case the host is out so as to check the visitors