Wattage: 0 to 150 WCurrent: 0 to 30 AVoltage: 4 to 110 VdcCurrent Ranges: 0 to 3 A, 0 to 30 ACurrent, resistance, and power pre-setAutomatic reset type protection circuitryConstant voltage modeRemotely controllable (Resistance, Voltage, Crrent, Load on-off)