"Lk-60 household electronic refrigerator thermometer Product specifications: Max or min memory function (automatically record the highest and lowest temperature in the last 24 hours, click to view) Temperature range: -20 to 60 Size: 6.7x2.5x4.3cm after folding hook, 6.7x6x1.2cm after releasing hookRefrigerator thermometer battery: CR2032 one, the new battery can last more than 8 months. - If the temperature is below -30, it will say: ""ll.L"" - If the temperature is higher than 60C, it will say: ""hh.h"" Frost alarm: - Temperature range: 4.0C to 7.9 C, - When it runs within this range, the snowflake icon will appear on the screen. The refrigerator thermometer can be turned off by the switch button to save electricity. Fahrenheit degrees Celsius is converted by pressing a buttonThe back of the product has magnets and hooks ""all Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution."""