RioRand 10000W 220V AC Digital Silicon Controlled Rectifier SCR Power Controller Motor Speed Control Electronic Heat Regulator Thermostat Dimmer Powered by RioRand Advanced Technology Input voltage: AC 220V ;Maximum power: 10000W Input voltage: AC 220V Maximum power: 10000W Comes with heat sink Use for electric furnace, water heater, lighting, motor, electric iron etc.