0-30Volt 0-5Amp Bench Power Supply(CSI3005SM) Input Voltage: AC110V 60Hz 2Hz - Output Voltages: 0~30VDC ( Adjustable.) Output Current: 0 to 5 Amps - Regulation: CV1%+10mV Load Regulation: CV1%+5mV - Ripple: 200mVp-p - Protection: Current Limiting Temperature: 0~40C - Humidity:&lt;RH 80% - Operating Time: 8hr. continuous Protection: Current Limiting