This is a sample of CCTV system, Complete CCTV equipment. It including CCTV camera+CCTV DVR+Video/Power Cable+500G/1000G HDD+Camera power+alarm(optional)+Acoustic pickup(optional), You can freely Portfolio CCTV Systems by your Solutions Program .Our Company can offer types comprehensive of surveillance products for your choose.Example: DVR:1CH/4CH/6CH/8CH/9CH/12CH/16CH/24CH/36CH,Compression Format: MPEG4/H.264 ; Video System :NTSC/PAL. With VGA and USB ; Camera :IR camera, zoom camera ,explosion-proof camera ,waterproof camera ,dome Camera,420Lines camera, HD 480TV/520TV/540TV/600TV Lines camera, with (1/3 or 1/4) SONY/SHARP CCD chip,Signal System : NTSC/PAL . We will follow your request to assemble and debug CCTV system. Our company all sell Home Video Intercom system, GPS,Intercom, Alarm, Video Capture car, CCTV tester.