Specification: Item Type:Fridge Thermometer Material: ABS Battery: 1 x CR2032 button cell 240 mAh (included) Weight approx. 55g / 1.9oz Package List: 1 x Fridge Thermometer 1 * User Manual Note: Comes with built-in battery Features Convenient and reliable: The digital freezer thermometer can measure temperature and humidity, intelligently detect the quality of the storage environment, and °C and °F can be switched freely Scope of application: The digital freezer thermometer is suitable for refrigerators, freezers, cold rooms, laboratories etc. and has a wide scope of application Small and compact: the freezer thermometer with hook has a small body that does not occupy storage space in the refrigerator and can be placed hanging Memory function: refrigerator thermometer with memory function, can display the size of the temperature value, easily understand the food temperature, can display the size of the temperature value ABS body: The refrigerator thermometer is made of environmentally friendly ABS material, with stability and toughness, durable to use