ZOSI 4 Pack Security Cameras ,HD-TVI 1.0MP 1280TVL(720P) Weatherproof Outdoor/Indoor Day Night Dome Surveillance Camera System,Night Vision Up to 65FT(20M) (1). Please note: It only can work with TVI DVR or other HYBRID DVR !! (2). High Resolution 720P 1280 TVL IP66 Weatherproof Dome Surveillance Cameras (3). 3.6mm lens that wide enough to cover about 72view. (It is depended on the using environment) (4). 24pcs IR LEDs, IR 65ft(20m) night vision in complete darkness(Color in day time,black & white in night time) (5). All systems CE & FCC certified with qualified power supplies.Guaranteed for 2 Year & Free life time Tech Support.//// Please refer to the last product images on the left side ,it will show you how to contact us for help ! Definitely respond within 24 hours!