This fridge thermometer features high accuracy with temperature difference of ±1 degrees Celsius, which has high performance. This fridge thermometer can display the maximum and minimum temperature on the same screen and can convert Celsius and Fahrenheit, which is practical and convenient. Made of ABS, this fridge thermometer is eco-friendly and durable to use. This length of this fridge thermometer is 8.7cm, width is 4.5cm and height is 2.4cm. This fridge thermometer is suitable for being used in home, office, dormitory and so on. Item Name: Fridge Thermometer Material: ABS Work Voltage: 1.5V Refresh Rate: 10s Working Principle: Resistance Temperature Measurement Display Accuracy: 0.1 Degree Celsius Temperature Measurement Range: -20-50 Degrees Celsius Measurement Error: ±1 Degree Celsius Features: Anti-humidity, Waterproof, Accurate Size Details: 8.7cm x 4.5cm x 2.4cm/3.43" x 1.77" x 0.94" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Operation: ON/OFF Key: Power On/Off C/F Key: Switch the Temperature Display Unit C/F CLR: Temperature Difference Clear Key Package Includes: 1 x Fridge Thermometer