Digital 2 heat/1 cool. For use with central gas, oil, or electric furnaces and A/C. For millivolt systems. Precise temperature control (+/-1 degree). Easy-to-install. No. RTH111B1016/E1: Programmable: Non-Programmable, Width: 2.9″, Height: 4.7″, Depth: 1.1″, Color: White, Batteries Required: 2-AAA, Pkg Qty: 1, Package Type: Clamshell
