Indoor Outdoor Refrigerator Thermometer with Probe for Refrigerator Home Kitchen White Description: Function-this refrigerator thermometer can monitor 3 kinds of temperatures and all displayed simultaneously, MAX and MIN temperature records from the last 24 hours for indoor, outdoor and refrigerator home. Large digital LCD display - you can easily read the data. Record minimum and maximum temperatures and easily monitor temperature changes. Low power consumption-1.5v working voltage, very low power consumption; it can be converted between celsius and fahrenheit. Easy to install and use - Mount the display directly on your fridge or freezer with magnets on the back, hang on the wall, or simply place on a table. The wireless sensor can be clipped to the door or hung on the wall. Application - it can be used in the refrigerator, freezer or outside, easily monitor the temperature change, providing double food protection. Specification: Temperature measurement range: -20C50C (-4F122F) Accuracy: (2F); resolution: 0. (0,2F) Operations ON: Press ON to turn on the item. OFF: Press off to turn off, then it will turn on again, /reset function. Sending messages Replace the battery when the reading becomes incorrect or the display fades, Use . open the ABS screw and shell, use a new battery. Size Chart: 87x45mm/3.43x1.77 inch The package includes: 1 * Refrigerator Thermometer 1 * Instructions