Fangrui Product Details User-friendly Operation: Equipped With Just Two Buttons, This Digital Thermometer Simplifies Your Kitchen Tasks. Power It On Or Off With The [on/off] Button And Switch Between Celsius And Fahrenheit With The [ Button, Ensuring A Hassle-free Experience For All Users. Precision Cooling: Designed Specifically For Refrigerators And Freezers, This Thermometer Operates Within A Temperature Range Of -50c To 70c (-58f To 158f). It Boasts An Accuracy Of 1c (1.8f) And Features A Snowflake Icon Alert When Temperatures Drop Below 8c, Making It Essential For Optimal Refrigerator Maintenance. Clear Lcd Display: The Fridge Thermometer Is For Those With Less Than Eyesight, Featuring A Large, Easy-to-read Lcd Display That Allows You To Monitor Your Appliances Temperature At A Glance, Ensuring Your Food Remains At A Safe Storage Temperature. Long-lasting Battery Life: Powered By Ag10 Batteries (included), This Thermometer Offers Extended Usability Without Frequent Battery Replacemen