... the power supply.Specification:Typy of Output: Constant-Voltage,Current,PowerOutput Range: 20--3000V, 1--200mA, 1--200W ... Intelligent microprocessor control unit1.Overload, no load and current leakage protection function2.Ten general electrophoresis methods stored function3 ... Auto-power off function7.Intelligent display of Constant-Voltage, Current, Power8.Optional functions (Recovery of power failure, ...