【MEASURING TEMPERATURE RANGE】The measuring temperature range is -50 to 70 (-58 ~ 158 ) with an accuracy of +/- 1, and you can change the temperature unit by WIDE DATA READING 】With large data reading window and clear LCD display numbers, you can read data quickly and accurately. Comes with a long wire sensor and a solid state probe. The probe is very sensitive, so it can measure FREEZER TEMPERATURE accurately. You can freely switch from room temperature to refrigerator/freezer indoor temperature by pressing the button TEMPERATURE MEMORY】It has maximum/minimum temperature memory, two alarm settings (high/low temperature alarm), and has a visual/audible alarm. CHOOSE A PLACEMENT TYPE】Offers 3 mounting options: magnet, keyhole, or folding stand. You can choose how to place it when measuring temperature. Perfect for measuring temperature in refrigerators, freezers, indoors, etc.