Manual 4-wire baseboard thermostat also works with 2-wire non-polarized connections. Compatible with 120V to 240V baseboard systems. Temperature control is boosted with a bimetal temperature sensor. Can control up to 5280W (watt). Easy to install and use. Color: White \nPole Type: Double, Single \nOutput Rating: 22A at 120V-240V \nModel Compatibility: Baseboards and Convectors \nTemperature Range: Heat only 40 degrees F to 80 degrees F \nWidth: 2.75 In. \nHeight: 4.5 In. \nDepth: 1.5 In. \n pack of 3