4 Channel USB Digital Video Security Monitoring Recorder System + 2.4Ghz Wireless Color Day & Night Vision Weather-proof Camera w/ Digital Zoom/Pan Video/Audio Motion Detect Alarm connect to PC/Internet USB2.0 connection for digital high speed MPEG4 real-time recording or image capture to PC hard drive Single video reciever support up to 4 cameras, channel scan/display with adjustable interval time Bundle interVideo WinDVR security software enable zoom/pan, setup alarm, display, record, play back Alloyed shell, weather-proof for outdoor usage camera Infra-red night vision range up to 22 feet Support MSN Messenger/Skype, use as wireless WebCam, remote viewing from any PC via Network/Internet