IR Dome System Security Kit. Includes four mini dome cameras with outdoor vandal resistance and IR night vision. 4 plug and play cables and camera power supply. Also includes 4 channel security DVR with 500 gb internal HDD and USB mouse and remote control. Supports synchronized audio recording. Remotely monitor and manage video from anywhere with internet access. Search recorded video by date/time/event with full playback controls. Backup video evidence to USB device or download remotely over network.