Robertshaw Pro-Series RS9320T

Programable thermostat

Multistage: 3heat/2cool

Auto change over

7 day, 5-1-1 or non programbKr

Actual size 4.7"x3.8"x1"

Screen Size 8.8 sq inch

Battery or 24v 120amp wired power source

Works with gas oil or electric systems