Honeywell TH6320U2008 U Low Voltage Thermostat Heat & Cool, Auto, 5 1 1 5 2 7 Day, Horizontal, Square 55CV03 Polarized Lens No Polarized Lens No Sub Category Clamps and Hangers Item Conduit Support Strap Color Silver Finish Polished Material 316 Stainless Steel Conduit Type Rigid Includes Bolt Oil or Electric Heat with A C 3H 2C Heat Pump Mounting Direction Horizontal Number of Heating Stages Conventional System 2 Number of Heating Stages Heat Pump System 3 Operating Temperature Range 32 Degrees to 120 Degrees F Application Heat and Cool Backlit Screen Yes System Settings Auto Cool Emergency Heat Heat Off Minimum Operating Humidity 5 % Maximum Control Temperature 99 Degrees F Maximum Operating Temperature 120 Degrees F Backlit Screen Color Blue Temperature Readout Yes Contact Rating 20 30V AC Minimum Operating Temperature 32 Degrees F Temperature Differential 1 Degrees F Frequency 50 Hz