Hikvision Video Intercom: 2-Wire HD, 4-Wire 720p and All-in-One Indoor Stations Which Hikvision intercom fits your building: 2-wire HD for flats with existing cable, 4-wire 720p for houses, and an all-in-one indoor station for doors, alarm and cameras. Published at: 13 Dec, 2023 / 46 Views Continue Reading 46 0 1 Item
