model: KWT-1202B specification: AC/DC simplex output l*w*h (unit: mm): 88.5*50.5*32 output(voltage/current): 12V/1A-2A power: 24W function: this product suitable for electric communication, safety against, monitoring have following functions: 1, steady trustiness, small output ripple, low temperature 2, input: voltage AC100V~264V frequency47-63Hz startup impact current cold state 20A/230V 3, output: voltage 12V/1A-2A linearity regulation factor?.5 %max the output voltage of ripple and noise(mvp-p)<1% temperature coefficient?.02%/ startup time≤1S(AC230V input, Io=100%) keeping time≥20mS(AC230V input, Io=100%) 4, over-voltage protection115%-135%voltage nominal value 5, over loading protection105%-150%rating power off 6, insulation withstand-voltage: 3000V 7, radiator model: self cooling 8, adapt the authentication of "CCC" "CE" 9, apperance dimension(shell): 88.5*50.5*32(mm)