Features: * -30 degrees Celsius to 60 degrees Celsius temperature range allows you to use it in the fridge or freezer. * Simply press button C/F on the back of the thermometer to switch between Celsius and Fahrenheit unit. * LCD digital display screen shows real-time temp, maximum temp and minimum temp (press the button to check), easy to read. * With adjustable stand and magnet on the back, it can be placed on a tabletop, or hanged, or magnetic sucked. * Supports frost alert. When it runs within 4.0 to 7.9 degrees Celsius, the frost icon will appear on the screen. * Powered by 1 CR2032 button battery (included). Note: 1. When the temperature is lower than -30 degrees Celsius, the LCD displays "LL.L", and while the temperature is higher than 60 degrees Celsius, the LCD will display "HH.H". 2. When the screen displays nothing, please install a new CR2032 battery. Specifications: Material: ABS Color: Black, White (Optional) Measuring Temperature Range: -30C ~60C(-22F~140F) Power Supply: 1 * CR2032 Battery (included) Item Size: Approx. 6.7 * 4.3 * 1.1cm / 2.63 * 1.69 * 0.43in Item Weight: Approx. 32g / 1.14oz Package Size: 8.0 * 6.5 * 2.5cm / 3.15 * 2.56 * 0.98in Package Weight: 45g / 1.58oz Package List: 1 * Digital Fridge Thermometer 1 * User Manual (English)