DC Power Supply, Input Voltage 100/120/220/230/240 V AC, Output Voltage 12/15V DC, Power Rating 20.4W, 22.5W, Output Amps 1.7/1.5, Mounting Panel, Linear, Case Material Metal Case, Height 3.99 in, Width 4.84 in, Depth 1.62 in, Series Silver Line, Hz 47 to 63 Hz, Phase - Electrical Single, Output Noise Less Than 3mV, Hold Up Time 50 msec