Digital system, use CAT5 network cable. Same flat or different flat support monitor call monitor. PC port work as administrate machine, call for any monitor. 8 smart home security zone.Support setting un-lock time, suitable for different electronic lock. IR LED offset lighting can obtain better evening viewing. Unique waterproof IP65, dustproof, anti-thunderstorm design. Call indoor monitorm, video intercom. Special design rubber for waterproof. NOTE: This KIT does not include cables. 1024(H)3(RGB)600(V). The item "Touch Screen Intercom TCP/IP Video Door Phone/ Door Bell System P2P Remote View" is in sale since Tuesday, September 11, 2018. This item is in the category "Home, Furniture & DIY\DIY Materials\Doors & Door Accessories\Doorbells". The seller is "cazasportsdirect" and is located in London. This item can be shipped worldwide.