This rackmount balun kit comes with 16 balun to connect 16 cameras and the power unit to send video signal and power over a singe Cat5e cable for a maximum of up to 1000ft. FeaturesVideo balun kit for 16 cameras 12V 500mA powerPower supply 18V 8 AmpPower input to rack mount is 18V 8 AmpRack mount will supply 18V power and Camera side balun will convert power to 12V 500mA before supplying to cameraThis video balun kit is good for short distances up to 1000 feetWhat's included:16 x 10B1-01240 1 x 10B1-222401 x 90W2-08018What's NOT included:BNC cables are not included to go from rack to DVRCat5e cables are not included