Low voltage (12/24 volt and millivolt) wall mounted room thermostat. Thermostats are designed with a bi-metal sensor with an open contact switch that is enclosed for dust protection. With this type of sensor and switch the thermostat can be quickly installed without the critical leveling necessary with other types of thermostats. Features include built-in thermometer, temperature range scale with Fahrenheit and Celsius scales and positive-off lever. Thermostats include all necessary mounting hardware and detailed instructions. HEAT/COOL - WHITE