The Honeywell T87F 2873 Heating-Cooling Low Voltage Thermostat is a round, wall-mounted thermostat with a dial control style. This model is designed for efficient heating and cooling control in residential settings. As a programmable thermostat, it allows users to set specific temperature schedules to save energy and create a comfortable environment in their homes. With its reliable brand reputation and low voltage operation, the Honeywell T87F 2873 thermostat is a practical and convenient choice for managing indoor temperatures.