Feature: 1. Temperature Display: The information on the screen can tell us the maximum, minimum and current temperature at the same time. 2. Waterproof Structure: The waterproof structure can resist the humidity of the refrigerator or freezer, and the mini design will not take up too much space in the refrigerator. 3. 3 Ways to Place: You have 3 different options to place this room thermometer. The stand supports a tabletop, flip the stand to suspend a refrigerator shelf, or use the magnetic back to attach to absorbent material. 4. Plastic Material: The Thermometer is made of high quality sturdy plastic material, which is wear resistant and durable, and can be used for a long time. 5. Applicable Scene: Freezer thermometer can be placed outside the refrigerator, in the refrigerator, and can be used as a general purpose thermometer indoors and outdoors. Specification: Item Type: Freezer Thermometer Material: Plastic Weight: Approx. 48g / 1.7oz Battery Parameters: A CR2032 Button Battery, 210mAh (Ship with Inbuilt Battery) Measuring Range: Minus20 to 50℃ Features: Can be hung, Placed on a Table Waterproof Level: IPX3 Function: Can Perform Celsius and Fahrenheit Conversion ON/OFF Key: Power On/Off C/F Key: Switch the Temperature Display Unit C/F CLR: Temperature Difference Clear Key. Package List: 1 x Freezer Thermometer1 x English User Manual