Video DoorPhone System (490-2600) Features Faxback Doc. # 34176 Provides security by confirming the visitor on the video screen of the DoorPhone. Liquid Crystal Display gives clear, high definition picture. Infrared LED mounted CCD Camera enables you to view in daylight and in darkness. Handsfree feature allows you to talk to the guest without picking up the handset. Extra security function to monitor the outside with a single touch of the monitor button. Door release button to activate electric door release. Simple installation with 2-wire connection system. You can install with the existing door chime wiring as it is. (LB/EB 07/25/96)