7-Day Programmable 2H/2C Multi-Stage or 3H/2C Heat Pump 20-30V Thermostat

7-Day Programmable Digital Thermostat, 2-Heat/2-Cool Conventional, 3-Heat/2-Cool Heat Pump, Temperature Range: 45°F to 90°F , Power: 20-30V Hardwired, Battery, Color: White, Applications: Gas/Oil/Electric, 3 Wire Zone, Millivolt, Economizer, Humidity Control, Dual Fuel Heat Pump, Dimensions: 4-3/5''H x 5-9/10''W x 1-1/5''D