Resideo TH1320U4002 Low Voltage Thermostat, Heat and Cool, Auto and Manual, Auto On Circulate, Horizontal DS0908CF3 Head Weight 8 lb Head Head Weight 8 lb Head Material Brass Handle Material Steel Handle Design Ergonomic Tether Capable Tether Ready Handle Color Black Yellow Head Color Yellow Features Anti Vibe Neck File Type Micro Round File Mounting Hardware Hardwired Number of Relay Outputs 3 Millivolt Compatible Yes Contact Rating 24 V AC Number of Heating Stages Heat Pump System 3 Maximum Control Temperature 99 Degrees F Number of Relay Inputs 3 Dehumidification Control No Temperature Scale Fahrenheit Celsius Standards UL Listed Battery Type (2)AA Batteries Amperage 1 A Temporary Temperature Hold No Maximum Operating Temperature 120 Degrees F Filter Change Reminder Yes Humidification Control No Minimum Operating Temperature 32 Degrees F Backlit Screen Color Blue Temperature Differential + 1 Degrees F Minimum Control Temperature 50 Degrees F Fan Settings Auto On Circulate Control Type Push Button Frequency 60 Hz Product Type Low Voltage Thermostat Application Heat and Cool System Settings Auto Heat Cool Off Number of Zones 1 Mounting Direction Horizontal Number of Cooling Stages Conventional System 2 Maximum Operating Humidity 90 % Changeover Type Automatic and Manual Programming Capability Not Programmable Temperature Sensitivity 3 to 3 Degrees F Display Type Digital Backlit Type Always On Operating Temperature Range 32 Degrees to 120 Degrees F Includes Positive Off Yes Differential Type Adjustable Temporary Program Override No Minimum Operating Humidity 5 % Includes AA Batteries