... ;2.High-power ON/OFF switch is the output core of DYY-12, high output power,high capability of load,high precision ... : A.C. 220V±10% (50Hz±2%);Input power :about 600 VA;Output voltage: (10 -3000)V, (Increase or decrease: 1V/step ... : (4 -400)mA, (Increase or decrease: 1mA/step);Output power: (4 - 400)W, (Increase or decrease: 1W/step);Size( ...