Upgraded Digital Non-Programmable Thermostat For Home 1 Heat/1 Cool Single Stage Product Features It's non programmable conventional thermostat: single stage, 1 heating and 1 cooling, electric or gas/oil configurable. (TIP: before purchasing, check to see if this thermostat is compatible with your old thermostat.) for with Conventional Single-Stage Heating (Gas/Oil/Electric Furnace), Ventilation, and Air Conditioning. ?Does not work: Multistage Heating Air Conditioning, and HVAC Central Air Conditioner Heat Pump System? Not Compatible with the following systems: HVAC Central Air Conditioner Heat Pump System( with Aux or Emergency heating), Multistage Heating Air Conditioning, 3-wire Hydronic (Hot Water), Dual Fuel/Hybrid Heating, Mini Split Air Conditioning Systems, and 120/240V Electric Baseboard and Line Voltage systems, Convectors, Radiant Ceiling Heat, RV Thermostats. Easy to read and use: Large digital display with large characters and blue backlight. separate buttons for easy setpoint temperature, very suitable for middle-aged and elderly people to use. Upgrade function: The thermostat with humidity and temperature monitor to ensure you?re always aware of changes in your home environment. It gives precise temperature control with +/- 1 degree in Fahrenheit and Celsius for ultimate consistent control to keep you comfortable. Easy installation and the battery is easy to replace, with dual powered by 24VAC power or 2 AAA batteries, C-wire is not required. built-in low battery reminder, compressor delay protection and more. Please contact us at once if any quality problem, come with 2-years warranty and 24h customer service. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!