DC Power Supply Variable Lab Test 0-30V 0-20A Specifications: Input voltage: 110V 60Hz (customizable) Output Voltage: DC 0-32V Continuously Adjustable Output current: DC 0-20A continuously adjustable Display resolution: voltage 0.1V, current 0.1A. (Customized 0.01V, 0.01A resolution display) Display accuracy: +1%+1 word Voltage stability.