model: KWT-K2403 specification: AC/DC simplex output l*w*h(unit: mm): 119*60*38 output(voltage/current): 18V-30V/3A-6A suitable for voltage and current:(18V3A, 24V2.5A,19V3A, 32V1.2A, 12V6A, 6V7A) power: 72W function: this product suitable for printer, lamp equipment, electrical communication, safety against, monitoring, net equipmengt have following functions: 1, steady trustiness, small output ripple, low temperature 2, input:voltage AC100V~264V frequency47-63Hz startup impact current cold state20A/230V 3, output: voltage DC: 18V-30V/3A-6A 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 withstanding-voltage: 3000V 7, radiator mode: self cooling 8, adapt the authentication of "CCC" "CE" 9, apperance dimension(shell): 119*60*38(mm)