This electronic thermometer is convenient for cooking and helps accurately measure the temperature of water and cooking oil... to cook delicious, attractive dishes and better retain nutrients. Or measure the temperature of vegetable washing water at 50 degrees, which helps wash away dirt easily, and vegetables absorb water well, leaving them fresher. The product comes with a cover and a magnet for hanging in the refrigerator, making it convenient to store. It automatically shuts off within 5 minutes when not in use. Uses one LR44 button battery. Measuring range: -50~300°C (+/-3°C error, or about 3%). Instructions for use: Press the ON/OFF button to turn on/off. Dip the stainless steel tip of the thermometer into the area to be measured. Press the HOLD button when you need to hold the number displayed on the screen to check the temperature (usually used in situations where there is a lot of smoke and steam, and it is difficult to see). Press the HOLD button again to measure the new temperature