MS3010D Variable Linear DC Power Supply With Clip Cable Digital Adjustable 110V 10A 30V Input voltage:110V10% 60Hz Working conditions: -10-40 relative humidity :&lt; 80%,Storage conditions: -20-80 relative humidity :&lt; 80% Power effect ion: CV0.05%+1mV CC0.05%+10mA Load effect ion: CV0.1%+5mV CC0.1%+10mA Ripples and noises:CV10mV(RMS) CC20mA(RMS)