... supply ability 4.dc power connector 5.reasonable price Male DC Power plug Adapter FeatureEasier for camera installation,save time and more ... crimping,but only a small screw drive2.1*5.5mm male power plug connectorInternal diameter of the pulg:2.1mmExternal diameter of ... ,Coaxial cable,TV cable,scart cable,TV Splirrer(TV Connector),audio/video plug/socket adaptor,power cable,cooling fan(cpu cooler).We ...