brand new and high quality Features: Waterproof Digital Refrigerator Thermometer Fridge Freezer High Precision Electronic Thermometer Alarm with Magnet Hook Feature: It can be hung and placed. Ultra low power consumption. Maximum temperature and minimum temperature are displayed on the same screen. It can convert from Centigrade to Fahrenheit. specification: Waterproof grade: IPX3 Working voltage: 1.5V Battery: CR2032 Measurement range: - 20 ~ 50C, (- 4 ~ 122F); Display accuracy: 0.1C Material: ABS Size: 87 * 45 * 25mm/3.42*1.77*0.98'' Color: Black, White Quantity:1pc Operation: ON/OFF key: turn on / off C/F key: switch temperature display unit C/F CLR: temperature difference clear for key Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1xDigital Refrigerator Thermometer