Electric furnace, water heater, the lamps and lanterns that move light, small motor, solder iron temperature control and so on(Inductive or capacity load power should be reduced, the voltage regulator is equipped with two-way high-power hysteresis, don't add any component can use , very convenient and practical.) Double circuit board design. High-voltage condenser. ST trigger diode. With heatsink Voltage Regulation: AC 10V to 220V (Adjust begin 20V). Maximum Power: 10000W (5000W can be used atroom temperature for a long time). Electric furnace, water heater, the lamps and lanterns that move light, small motor, solder iron temperature control and so on(Inductive or capacity load power should be reduced, the voltage regulator is equipped with two-way high-power hysteresis, don't add any component can use , very convenient and practical.