... year quality warranty CE RoHS CCC ISO9001 High Quality Dual Output Switching Power SupplyAC input.85~132VAC or 175~265VAC2 year quality ... stability(Note5)±0.5%±4%±0.5%±4%DC output power56W58WEfficiency73%76%Adjustable range for DC voltageCH1+10,-5%CH1+10,-5%AC ... .The load is from 0% to 100%,others 60%.6.C2,3,11must be knocked down. 60W Dual Output Switching Power Supply 12V