Power Supply 4Ptc 24Vac @ 7A, Type CCTV AC, Wall Mount, Material Steel, Finish Gray, Enclosure Depth 4.50 In, Enclosure Width 7.75 In, Enclosure Height 12.25 In, Input Voltage 115VAC, Voltage OUTPut 24VAC or 28VAC, OUTPut Current 24VAC @ 7A or 28VAC @ 6.25A Amps, Input Frequency 60 Hz, Standards UL 2044 Commercial CCTV, CUL, CE, Includes Spare Fuse