New Open box Honeywell RTH2300B Programable Thermostat with Backlight. Brand new in Box. Package was opened but the set. The Details.. The Honeywell 5-2 Day Programmable Thermostat with Backlight has a simple interface and offers separate weekday and weekend programming. It continually adjusts the pre-heating or cooling of your home so you are comfortable when you wake up, come home or at any other time you prefer. Used as directed, it offers energy savings of up to 33%. Compatible with heating/cooling systems and heat pumps without auxiliary heat Precise +/- 1 Degrees F temperature control Backlit display for easy viewing even in dimly lit rooms or hallways Does not work with electric baseboard heat (120-240-Volt) or multi-stage heating/cooling systems Condition: New open box 20% RESTOCKING FEES AND SHIPPING WILL BE CHARGED. IF ITEM IS FUNTIONAL OR INCOMPLETE. Your feedback is extremely important to us! If you are satisfied with our service please take the time to give us positive feedback. We tremendously appreciate it! We strive for your complete satisfaction. Likewise, if you have any issues, please contact us first, and we promise we will do our best to satisfy your needs and solve the problem. If we resolve your problem, we kindly ask you to still leave us positive feedback. Your kindness will be extremely appreciated!