Programmable LCD Screen Push Button Thermostat, 1-Heat/1-Cool Conventional, 2-Heat/1-Cool Heat Pump, Voltage: 24, Temperature Range: 50F to 99F, Power: Hardwired, Battery, Color: White, Applications: 24 VAC Single-Stage Systems, Gas, Oil, Electric Warm Air, Hot Water Coil, Electric Hydronic, Steam/Gravity Systems, 2H/1C Heat Pump with Auxillary Heat, Features: UWP Mounting System, Push Button, Dimensions: 4-1/16''H x 4-1/16''W x 1-5/32''D, Weight: 0.9 lbs