Product Information: Name: Electronic digital thermometer Materials: SUS304, SUS301, PC, ABS Measurement range:-45°C ~ 200°C Weight:24g Note: When the LCD does not display or the backlight dims during product use, it is necessary to release the back of the product Remove the old battery cover and install a new one in the direction of the original battery (with the negative electrode facing upwards) CR2032 button cell, replace the battery cover to continue operation. Szie： Packing list: Thermometer X1PCS