ITEM NAME:4KW 220V SCR Super Power Electronic Digital Regulator Dimmer Speed Thermostat Product Description Description: Features: Using the latest SCR, a perfect solution for overcurrent when wire is cool down. Easy to adjust output voltage. Adjust light, heat, power for electric furnace, water heater, lamps, small motor, electric iron etc. Suitable for home use or small factories. Cooling fin attached, easy to install and use. Massive current terminals. Great stability and reliability. Auto data saving function, adjust to the saved data automatically when booted. Anti statics package. Durable, long service life. Specification: Work Voltage: 220V AC Max Power: 4KW (2 KW recommended for long term using) Voltage Adjust: 0-100% (220V out of 100, nolinear) Note: Charge does not exceed the maximum power, otherwise it will burn the module and electrical appliances. Use the resistive load as much as possible. Reduce the capacitive and inductive load of much energy. (It is best to leave more than half of them) Due to the difference between different monitors, the image may not reflect the actual color of the item. Thank you! Included: 1 X Control Board 1 X Electronic Regulator Dimmer Speed Thermostat.Using the latest SCR, a perfect solution for overcurrent when wire is cool down. Reduce the capacitive and inductive load of much energy. (It is best to leave more than half of them). Auto data saving function, adjust to the saved data automatically when booted.