Power Supply 8Ptc 12Dc/3.5A Or 24Dc/3A, Type Access Power Controller, Material Steel, Finish Gray, Enclosure Depth 4.50 In, Enclosure Width 12.00 In, Enclosure Height 15.5 In, Input Voltage 115VAC, Voltage OUTPut 12VDC or 24VDC, OUTPut Current 12VDC @ 4A or 24VDC @ 3A Amps, Input Frequency 60 Hz, Standards UL294, CSFM , MEA , CUL, Includes Battery leads, Cam Lock