T18 Household Kitchen Portable Food Thermometer Pen Heat-resistant Milk Powder Liquid Water Meter with Display When measuring high-temperature items, you can pass the probe through the small hole of the protective cover, and hold the protective cover for measurement to avoid hot water mist. - The pen-type thermometer is multifunctional, low energy consumption, high stability, high precision, and can quickly measure cold and hot temperatures. - Multi-function display, free switching between Celsius/Fahrenheit. Used for temperature measurement in refrigeration, heating, food processing and home kitchens, schools, industrial experiments and other occasions. - Press the HOLD key, the screen reading is frozen, the instrument enters the data hold mode, and the HOLD symbol appears on the screen and flashes. - If there is no operation in about 20 minutes, the instrument will automatically shut down, saving energy and electricity. - Features:Name: Food Thermometer - Thermometer size: total length 15cm, stainless steel probe length 7cm - Temperature measurement range: Celsius temperature: -40°C~250°C; Fahrenheit temperature: -40°F~ 482°FWorking environment temperature: 0°C (32°F) ~ 50°C (122°F)Temperature resolution: 0.1°C (0.1°F)Battery: 1.5V, LR44 or equivalent battery (no battery)Automatic shutdown: the instrument will automatically shut down if there is no key operation within about 20 minutes - Thermometer over-range indication: When the measured temperature exceeds 250°C, the screen displays "H--"; when the measured temperature is lower than -40°C, the screen displays "--"