1. Package includes: You will receive 3 digital refrigerator thermometers, which are very suitable for use and monitoring the temperature of refrigerators, shelf brackets, or hook brackets, and can be used for daily or specific purposes. The refrigerator and freezer thermometers have a large and clear digital LCD display. The LCD display has large readings. You can obtain the measurement results at a glance very quickly. Your food safety is guaranteed. 2. Wide range and accurate readings: Our digital refrigerator/freezer thermometer can measure the temperature range from -20°C/-4°F to 50°C/122°F with an accuracy of ±1°C/±2°F and a precision of 0.1°C/0.2°F. This digital thermometer can be used in refrigerators, freezers, cold storage rooms, or public areas to ensure food safety or for other purposes. 3. Easy to use: The large display thermometer has a foldable hook. You can hang it on the refrigerator or freezer, or place it on a shelf or other flat surface. They are very compact and easy to store. 4. Features: - Clear readings: Each digital refrigerator and freezer thermometer is equipped with a large and clear digital LCD display. The LCD display provides a large reading display. You can get the readings very quickly. - Easy to use: All large display thermometers are equipped with foldable hooks. You can hang them on the refrigerator or freezer, or place them on a shelf or other flat surface. They are very compact and easy to store. 5. Specifications: - Dimensions: 8.8 x 4.5 x 1.3 cm (3.5 x 1.7 x 0.5 inches) - Minimum temperature display: -20°C / -4°F - Maximum temperature display: 50°C / 122°F - Accuracy: ±1°C / ±2°F - Resolution: 0.1°C / 0.2°F - Color: White 6. Material: ABS, stainless steel 7. Note: When the readings become irregular or the screen brightness decreases, please replace the battery. Open the screws and the ABS shell, and replace it with a new CR2032 battery.