The CAMERAS LITERALLY HAVE BEEN USED ONE TIME & I DIDN'T EVEN OPEN ALL THE WIRE BECAUSE I PUT TO BIG OF A CHARGING CORD INTO MY BOX & FRIED THE MOTHER BOARD. These are Night Owl 720p HD Analog (HDA) Series cameras with 200ft of BRAND NEW WIRE & CONNECTION PIECES & 4 ADAPTERS FOR A CLEANER PLUG IN TO THE POWER SOURCE. compatible with Night Owl AHD7 and HD Analog Series DVRs. These add-on cameras come equipped with an advanced 720p sensor with 70 degree viewing angles, 100 feet of Night Vision, an Indoor/Outdoor sturdy housing, auto IR cut filter, low-lux sensor, vandal-proof bracket and 60 feet of cable per camera. Want to expand and add cameras to your Night Owl Security DVR System? Purchase this 2 pack of 720p HD Wired Security Cameras and view your video in 720p HD! These 720p HD bullet cameras feature a 70˚ field of view over the standard 42˚ view of most cameras. Night Owl HD Analog 720p wired cameras come equipped with a 3-axis vandal-proof mounting bracket. Compatible with Night Owl AHD7 & HD Analog Series DVRs At Night Owl, our goal is to provide an incomparable experience for any technical support required.