Characteristics: The temperature measurement range is -50 to 70 (-58 158) with an accuracy of /- 1 , and the temperature unit can be changed by the " / " button, very easy and convenient. With a large data reading window and clear LCD display numbers, you can read the data quickly and accurately. You can freely switch from the indoor room to the Fridge/Freezer temperature by pressing the "Room/Fridge" button. It has a maximum/minimum temperature memory, two alarm settings (high/low temperature alarm) and an audible alarm. It offers 3 mounting options: magnet, keyhole or foldable stand. You can choose one way to place them when taking a temperature. Equipped with a long-wire sensor and a semiconductor probe, the probe is highly sensitive, so it can measure accurately. Our digital thermometer is supported by 1 pc. Ideal for measuring the temperature in the refrigerator, freezer, room, etc. Technical data: Material: stainless steel ABS Color: shown as picture! Measuring range: -50 70 / -58 158 Display resolution: 0.1 Accuracy: /- 1 Battery type: 1.5V AAA battery 1pc. Function: room / refrigerator temperature testing, / change, high / low temperature alarm Size (length x width x height ): Approx. 7.2 x 6.5 x 1.7 cm / 2.8 x 2.6 x 0.7 inch Package Weight: Approx. 80g Package includes: 1 x digital fridge thermometer (battery not included) Please note: Monitors are not calibrated same, the color of the items displayed in the photos may be slightly different from the real object. Please take the real one as standard.