9 groups output CCTV power supply,for 9 channels cctv,current for each channel 500mA,9 ... individual fuse,over current 9 groups output CCTV power supply:Funtion:for 9 channels CCTV, current for each channel 500mA ... over-voltage, over cuurent - including: one power supply,two keys of the power supply box, one pc of manual 9 groups output ...