... : ModelGS-DVR8/8AHNDSystemMain Processor1PCS Hisilicon Hi3520chipMenu display1/4/8/9/16screenVideo Video StandardsPAL(625 line,50 f/s); ... OccupationD1: 20G/DAY/CHVideo storage Hard disk, SD card, and netBackup ModeNetwork burn, mobile Hard disk and USB ... OtherPower Supply12V/6ADimension430x380x65mm(W*D*H)Weight6.5 kg(NOT WITH HDD) New ! D1 H.264 ,quality dvr,cctv dvr ,D1 dvr,digital video recoder