Inkbirdplus Plug In Temperature Controller Outlet, Smart Heating, Home Brewing Product Features Dual Mode Temperature Control: This upgrade temperature controller is compatible with both heating and cooling devices and supports heating and cooling modes, helping you to maintain the optimum temperature in your home or workspace whether it is hot summer or cold winter, greatly optimizing energy consumption 4 Flexible Timing Modes: It has four timing modes to run the temperature control program??CD TC ON, CD TC OFF, CD ON Timer, and CD OFF Timer, so you can freely customize the automatic running times of the heating or cooling device based on your temperature requirements and enjoy the convenience and efficiency in life that intelligent science brings High-Brightness LCD Display: Equipped with a large backlit LCD screen, it displays all values clearly in all lighting conditions. You can see the current temperature, start and stop temperatures and countdown time at a glance. The backlight can be switched off at the touch of the DOWN button for lower power consumption Temperature Calibration Function: With a wide temperature control range of -40 to 120 ? (-40 to 248 ?) and a high measurement accuracy of 1 ?/?, this temperature controller stands out in the market, not to mention its temperature calibration function, which ensures long-term temperature precision control in any environment where specific temperature control is required Carefree Backup Memory: In the event of a sudden power cut, its special memory system automatically saves all your personalized settings. When the power comes back on, you don't need to reprogram the device; it will continue to work with your previous settings, making it safer and more reliable Versatile for Everyday Use: From greenhouse growing to home brewing, from pet care to heat preservation and refrigeration to precision fermentation, it's easy to integrate into a variety of life scenarios, turning complexity into simplicity and becoming an indispensable, intelligent temperature control partner at your side 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!