' Power Supply, Dual Voltage Boxed, Material Metal, Finish White, Enclosure Depth 4 In, Enclosure Width 9 In, Enclosure Height 12 In, Width 9 In, Height 12 In, Batteries Required, Number of Outputs 1, Input Voltage 120VAC o r220VAC, Voltage Output 12 or 24VDC, Output Current 1 Amps, Standards UL, For Use With Electric Strikes '