4" Doorphone (Intercom) with touch buttons, door unlocking, PW02 adapter, white

Intercom - 4" Color Display with Built-in Microphone, Speaker Control with touch-sensitive buttons You can unlock the door remotely using a key When you turn on the intercom, you can watch a live feed from the doorbell video camera. The intercom supports the connection of an additional call button, e.g. at another door or gate. The intercom supports the connection of 3 additional intercom devices, e.g. those placed in other rooms or locations You can choose one of 25 polyphonic ringtones. Specifications: Power supply: DC14.5V/0.8A Power consumption: 5 W (max.) / 0.3 W (standby) Resolution: 480*272 digital LCD panel Wiring 4 wires Effective length: Maximum distance between call button and intercom 100m Dimensions: 180*112*17mm Weight: 260g