The yale alarms y402a hd 4 channel dvr kit is a complete set with a 4 channel dvr with 500gb hard drive capacity 2 waterproof 650tvl hd 720 cameras and accessories monitors in real time and offers d1 full screen video playback you can also view remotely via the yale dvr app the cameras offer a 58 viewing angle and up to 20m in night vision mode kit contains 1 x dvr 2 x 650tvl hd 720 cameras 1 x mouse 1 x set of fixings 2 x adaptors and 1 x set of wires specification recording resolution 752 x 5