If you own a refrigerator, the last thing you want to see is that all frozen assets become spoils just because the temperature conditions are too low or too high. Thanks to the invention of the freezing alarm, you don't have to deal with all this mess. If your refrigerator temperature exceeds the maximum or minimum temperature range you set, the freezing alarm will warn you. This will enable you to make the necessary adjustments in time to ensure that your frozen food remains fresh and safe for your family to eat. Easily Set High/Low Temperature ALARM Function 1. Open the battery cover and install the AAA battery 2. Press and hold the ALARM button for 2 second 3. The HIGH and FRIDGE symbols flash.Press ℃ / ℉ to set the upper alarm limit 4. Press and hold the ALARM button again. The LOW and FRIDGE symbols flash. Push ℃ / ℉ to set the lower alarm limit 5. Install fridge thermometer on the outside of the refrigerator 6. lt will warn you with a beep if the temperature is out of the set limit Easily Measure Refrigerator/Freezer/Indoor Temperature Measure Refrigerator/Freezer Temperature: 1. Open the battery cover on the front of the product and install the AAA battery 2. After the battery is installed, wait for about 3 seconds on the LCD display to display the temperature. 3. Then put the sensor in the refrigerator/freezer (where needed) and the tools (buckle straps, stickers) needed. 4. Install the product on the outside of the refrigerator/freezer through magnets. Measure Indoor Temperature Press the product ROOM/FRIDGE button to switch between indoor ambient temperature and refrigerator ambient temperature. 1.2m/4ft Probe Cable Allows to discover the temperature of the drawer and the top shelf of the under-counter fridge 2 in 1 Fridge Thermometer & Room Thermometer Measurable Range: -50℃-70℃/ -58℉-258℉ 3 Placement Methods 1. Use the rear magnet to stick it on the refrigerator door 2. Use Hook&Loop to stick it on any flat surface 3. Hang it on the wall with screws and hanging buckles Widely Used for Gas Water Heater, Wine fridge, Garage Freezer, Workplace Fridge Specification: Refrigerator Temperature Measurable Range: -50℃-70℃/ -58℉-258℉ Room Temperature Measurable Range is -20℃-50 ℃/ 24℉-222℉ Scope of Application: measuring refrigerators and freezers, as well as indoor and outdoor ambient temperature. Accuracy: ±2℃/2.8℉ Size: 68 x 40 x 25mm / 2.6 x 2.5 x 0.6in Cable Length: 1.2m / 3.94ft Material: ABS plastic Power Supply: 1x AAA Battery Package List: 1 X Fridge Thermometer 1 X Screw 1 X Buckle 1 X Sticker 1 X Hook&Loop 1 X Manual