Non Programmable Thermostat For Home 1 Heat/ 1 Cool, Lcd White Backlit Screen Product Features ?Buyer's Note?Before making a purchase, please ensure that the image and product description match your existing thermostat (verify that the base supports only 2 to 5 wires), and check the dimensions to confirm whether it will cover any wall marks left by the old thermostat. ?Compatible System?For with Single-Stage Heating and Cooling, Gas Fireplace (24 Volts), Furnace Forced-Air Heating Only, Cooling Only, 750 Millivolt, Boiler Radiant Heating Only, Only Heat Pump (without aux) Systems. ?Incompatible System?Does Not Work Multistage Heating and Cooling, Heat Pump (with Auxiliary or Emergency Heat) Systems, Dual Fuel / Hybrid Heating, Mini Split Heat Pump Systems, RV Thermostat, Electric Baseboard Heat ( 120-240 Volts) and Line Voltage, Convectors, Radiant Ceiling Heat. Aowel non programmable thermostat for house up to 1 heating and 1 cooling single stage heating and cooling systems. Simple thermostat, Support separate heat or cool swing setting (range: 0.2F to 2F), giving you even greater control over your home temperature. Accurate temperature control of +/-2-degree F for consistent comfort.?Room temperature display range: 32F to 99F, temperature control range: 44F to 90F? Support temperature display calibration, Convert C/F units, compressor delay protection (selectable on or off). with humidity monitor and battery replacement reminder. Dual powered by 24VAC power or 2 AAA batteries, No common wire (c-wire) required on most systems. Easy-to see and read, with white backlight, large clear backlit digital display, very suitable for middle-aged and elderly people. Friendly Service: 2-year worry-free 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!