If your home has baseboard heaters, radiant ceilings or an electric fan-forced heating system, replace your old or worn out thermostat with this 7-Day High Voltage Programmable Baseboard Thermostat. This ENERYG STAR compliant device is ideal for cutting electricity costs. It is equipped with the ability to program your desired temperature four different times per day, seven days a week. This thermostat is perfect for setting a comfortable temperature in the morning and evening when your awake and home, a different temperature during the day while you are at work and yet another temperature a night while you sleep. This means you can limit, or eliminate your heating system from using energy when you don't need it. A backlit LCD illuminates for a few seconds when a button is pressed making programming a snap. Precise temperature control let's you specify the exact temperature you want, down a half of a degree in either Fahrenheit or Celsius. Additionally, a temperature override feature prevents other users from increasing the temperature and a high-limit function prevents a user from setting a temperature over a specified temperature threshold. Anytime you want to get out of a preset program, use the hold function to temporarily stop all programming and specify any temperature you like. As a way to track your energy consumption, the High Voltage Programmable Thermostat also tracks the total amount of energy used daily and weekly. For advanced energy savings, the adjustable heat cycle rate lets you determine the on and off times per heating cycle and the level of proportional power. This thermostat is sure to make your heating more convenient and energy-efficient.Important Note: This product is for use with high voltage systems (110V/ 220V) with a minimum load of 500W; it is not designed for use with low voltage (24V) central heating and air conditioning systems or wall mounted furnaces.