Standard Features - TRIAC silent switching for accurate temperature control - Fahrenheit or Celsius - Backlit display - Fast, easy 2-wire installation - Use with electric baseboard heat (240V), convectors and radiant ceilings (2-wire) - Not compatible with fan-forced heaters - High Capacity Electronic Thermostat Up to 3,000W at 240V - Display Options - Fahrenheit or Celsius and 12/24 hour clock - 1-Year Warranty