... .Network , 3G Surveillance 2.1/3" Sony CCD3.420tvl,20m IR,23pcs LEDDVR Features :4 Channel H.264 Network DVR4 CH ... Surveillance, Support iPhone,Android, Blackberry, Windows Mobile, Symbian Camera Features : High Resolution Dome IR Camera 1/3" Sony CCD Image Sensor, 420 TV ... Line, 0Lux (IR on), 3.6mm fixed lens 23 pcs ...