Video Balun/Combiner, Type Slim Line, Length (In.) 2-1/4, Width (In.) 1, Height (In.) 3/4, Number of Outputs 1, Input Voltage 24VAC, 28VAC or 12VDC, Voltage Output 24VAC, 28VAC or 12VDC, Output Current (Amps) 1 amp, For Use With Analog Cameras