Emerson 80 Series thermostats offer Low Voltage Thermostat, Heat or Cool, Manual, Compatible System Type Electric Forced Air Furnaces, Gas Forced Air Furnaces, Millivolt, Slide Switch, Dehumidification Control No, Differential Type Adjustable, Digit Size Standard, Digital, Dual Transformer Compatible Yes, Fan Settings Auto-On, Humidification Control No, Includes Positive Off Yes, Minimum Control Temperature 45 Degrees F, Maximum Control Temperature 99 Degrees F