Commax Door Phone DP-2S DOOR PHONE Audio Door Phone DP-2S, Audio Intercom System

Mount type:Wall-mounted type

WiringCall: 2 wires

Door Release: 2 wires(1.6Ø Copper wire)

Distance 100m(0.65Ø), 150m(0.8Ø)

Electric Door Lock not included. You can only talk with people at the door. If you want to open the door from the handset, you will have to purchase an electric door lock separately.