Premium Electric Baseboard Heat Only Line Voltage Manual Thermostat, Use With 120V Or 240V Baseboard Or Fan Forced Electric Heaters, Snap Action Industrial Grade Micro Switch Activated By Vapor Filled Sensor, 45 Degree F To 85 Degree F Temperature Range, Mounts Directly On Standard Junction Box, 4-3/8" H x 2-7/8" W x 1-3/4" D, Euro White Styling, Double Wire.Premium Electric Baseboard Heater Thermostat, Use With 120V Or 240V Baseboard Or Fan Forced Electric Heaters, Snap Action Industrial Grade Micro Switch Activated By Vapor Filled Sensor, 45 Degree F To 85 Degree F Temperature Range, Mounts Directly On Standard Junction Box, 4-3/8" H x 2-7/8" W x 1-3/4" D, Euro White Styling, Double Wire.