This Resideo Thermostat Kit is a wireless, programmable device designed for temperature control in residential and commercial settings. The kit includes an EConnect Wireless Line Volt Thermostat and an Electrical Heat Equipment Interface Module (EHEIM). The thermostat operates on a frequency of 2.4 GHz and has a range of approximately 30 feet, depending on the building's construction. It offers seven-day programming with four periods per day, allowing users to customize their heating schedule. The EHEIM facilitates communication between the thermostat and heating equipment, ensuring accurate temperature regulation. This product requires two AA alkaline batteries for operation.