Features: *Consist of 4CH full 1080N AHD DVR + 4*1500TVL 720P AHD waterproof infrared camera + 4*60ft cable for CCTV security system *Support 4channel 1080N/720P analog cameras preview, record, playback, etc. *Multiple ways to access on the PC, phone/pad and browser via softwares on CD. *Support motion detection record and email alarm notification. *Plug and play use, no need any complex installation. DVR