Low Voltage Thermostat: Heat and Cool, Auto and Manual, 5 1 1 5 2 7 Day, Horizontal, 6 Zones Semi Round Semi Round 35 mm(Microphone) Jack Operating Range Up to 66 ft Heat Pump without Aux Control Type Push Button Dehumidification Control No Differential Type Fixed Digit Size Easy Read Display Type Digital Dual Transformer Compatible Yes Fan Settings Auto On Humidification Control No Includes Mounting Hardware Includes Positive Off Yes Key Pad Lockout Yes Mounting Direction Horizontal Minimum Control Temperature 50 °F Maximum Control Temperature 90 °F Number of Cooling Stages Conventional System 2 Number of Heating Stages Conventional System 3 Number of Cooling Stages Heat Pump System 2 Number of Heating Stages Heat Pump System 4 Number of Zones 6 Overall Depth 1 5 16 in Overall Height 4 5 16 in Overall Width 5 3 4 in Programming Capability 5 1 1 Auto and Manual