ZOSI 4 Pack HD-TVI 2.0MP 1080p Bullet Security Camera,Indoor/Outdoor Cameras Surveillance with Infrared and Night vision,Only Compatible with TVI Series DVRs (1). Please note: It only can work with TVI DVR or other HYBRID DVR !! (2). High Resolution 1080P 1920 TVL IP67 Weatherproof Bullet Surveillance Cameras (3). 3.6mm lens that wide enough to cover about 105view. (It is depended on the using environment) (4). 36pcs IR LEDs, IR 100ft(30m) night vision in complete darkness(Color in day time,black & white in night time) (5). All systems are 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! Image Sensor: 1/2.7Color CMOS with IR-Cut Effective Pixels: 1920x1080 (2.0 Megapixels) Resolution: 1080p Angle of View: Horizontal: 105, Vertical: 72 Day/Night Mode: Auto Switchover Min. Illumination: 0.1Lux (When IR LEDs off),0 LUX(When IR LEDs on) Lens: 3.6mm,36pcs IR LEDs IR Distance: up to 100ft (30m) The 1080p HD camera come with 36LEDs and wide 105angle lenses,which allows you to see stunning clarity and sharper details. Rest assured knowing that your bullet security cameras can see up to 100ft / 30m with the help of some ambient lighting in total darkness. (Color in day time,black &amp; white in night time) Built using the high quality heavy-duty aluminum metal materials,3-Axis camera stand,cable through bracket,weatherproof rating. Your ZOSI cameras are strong enough to withstand varying weather conditions and environment. The camera comes with a single cable,it splits into two heads at both ends (one head is for power, the other for video). Simply connect the video cable to the DVR and the power cable to an electrical outlet.(DVR not included) This is not Wireless Camera System, but we offer 60FT Cable for each camera