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We’ve improved the best-selling digital thermostat with new styling and enhanced home comfort features, specially designed for multi-stage use. It now offers more control, more convenience and more value than the competition. And it’s backed with the reputation of White-Rodgers — pioneers in home comfort since 1937. More Accuracy and Control. If you’re in the process of upgrading to a multi-stage system, don’t forget the “brain” for your new system…your thermostat. Budget-priced digital thermostats aren’t smart enough to prevent temperature swings, so they can rob you of comfort and energy savings. But our new 80 Series can maintain a set temperature to within one degree. Plus, there’s a larger permanent memory that improves performance, as well as saves all programs during a power loss. More Comfort and Convenience. The new, 60% larger lighted display makes for clearer low-light viewing. Features: - 2 Heat / 2 Cool - Simultaneous heat and cool setpoint storage - Pre-set temperature control - LCD continuously displays setpoint and room temperature - Backlit display when any key is pushed -°F/°C convertibility - Temperature range 45° to 90°F - R, C, W, W2, G , Y and Y2 terminals - Optional C terminal (Dual Power option) - Setpoint storage in case of power loss - 2 “AA” Energizer® alkaline batteries included