1.8 channels CCTV Switching power supply 2.8 channels CCTV power supply 3.swithing power supply 1.8 channels CCTV Switching power supply2.8 channels CCTV power supply3.8 channels switching CCTV power supply 8 channels Switching power supplycan work for one to two hours when cut off the electronic source.multiple outputs ( 8,9,16,18 channel)8 auto-reset PTC fuse protected outputindividual LED ...