4" simple video door phone, door unlock, PW02 adapter, WHITE

Hand free intercom, touch buttons operation Lock control, Voice monitoring, Intercom transfer/call/broadcast Real-time monitoring to door station or CCTV camera Support 2 outdoor stations + slave monitors (up to 3) or 1 outdoor station + 2 CCTVs 25 polyphonic ring-tones switch freely Multi languages available (customized)
Specifications: Power input: DC14.5V/0.8A Power consumption: 5W (Max) / 0.3W(Standby) Resolution: 480*272 Digital LCD panel Wiring/Effective Length: 4 wire/100m Dimension: 180*112*17mm Weight: 260g