About this item SINGLE DEGREE CONTROL: Single-degree control, a straight forward display and basic buttons to keep operation simple. PRECISE TEMPERATURE CONTROL: Precise temperature control of +/- 1°F. DIGITAL DISPLAY: Backlit LCD display shows current room temperature and set point temperature simultaneously. AUTO CHANGEOVER: Features auto changeover between heat and cool and a reminder alert for low batteries. PROGRAM RETAINED: Program is retained in memory in the event of a power outage so you can be confident your comfort stays intact. REQUIRES: 2 AA batteries (not included) EVERYTHING YOU NEED: The UWP mounting system, included mounting hardware, and quick install guide can have your thermostat up and running quickly. COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). Show more › See more product details