Large LCD display and waterproof: you can read the measurement at a glance with an easy-to-read extra large LCD screen. Good helper for people who do not have the best vision. IPX3 waterproof - waterproof structure can withstand the moisture in the coldroom or freezer, making sure it works in a safe and consistent way. Records Min & Max Temperature: It delivers historical temperature readings. With this function, you can easily monitor the temperature change of your fridge and protect your food safety twice as well. Easy and intelligent operation: easy to use thermometer with only 3 buttons. Simply press on or off button around the thermometer on / off. Press C / F button to select Celsius / Fahrenheit. Press CLR button to clear the max / min data record. When yourestart the thermometer, the max / min data record is reset. 2 portable placement ways: you can either place the stand on the table top, or turn the stand over and use the hook to hang it on a cool shelf. Mini design will not take too much places in your fridge. It is very compact and comfortable to hold. Temperature range and accuracy: the temperature range from -20 ~ 50 (-4 ~ 122 ) with high accuracy ( 1 / 2 ). You can use it in the refrigerator, freezer or as a room thermometer for food safety or other applications. Delivery Quantity: 1pc Package Contents: Only the above package content, other products are not included. no battery provided Size: 8.84*6.11*2.39cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)