Kit Includes 2x Honeywell T4 Pro Programmable Thermostat, 8 AA Batteries with Charger, and LCD Screen Cleaning Kit. The T4 Pro Programmable Thermostat helps you manage your home heating and cooling in a simple, easy to use device. The Thermostat is easy to install with on-screen menus to display installation steps and a universal mounting system. Adaptive Intelligent Recovery: The T4 Pro learns how long it takes your system to reach the temperature you want. It turns on the heating or cooling system earlier to make sure you're comfortable at the time you expect. Program a seven-day schedule or set different schedules on the weekend so you can always be comfortable