Features： 1、Convenient unit conversion, it can be easily transferred between ℃/℉ units, allowing you to record and measure test values more conveniently. 2、Low battery indicator, it can remind in time when the battery is low, it can automatically turn off after a period of inactivity, which can ensure the battery life. 3、Better accuracy, its emissivity is adjustable, and the object to distance ratio is 12:1, which improves the measurement accuracy of different surface types. 4、Ultra large temperature measurement range, it can measure the temperature of a large range, and can carry out non contact measurement over a long distance. 5、Wide range of application, it is suitable for pool temperature measurement, food temperature measurement, car seat temperature measurement, wooden floor temperature measurement, automobile tire temperature test, refrigerator temperature test and water temperature measurement. Specification： Item Type: Industrial Thermometer Model: GM530 Material: ABS Purpose: It is suitable for pool temperature measurement, food temperature measurement, car seat temperature measurement, wooden floor temperature measurement, automobile tire temperature test, refrigerator temperature test and water temperature measurement. Battery: 3x1.5V AAA Battery (Battery Not Included) Temperature Range -50℃~530℃(-58℉~986℉) Accuracy 0℃~530℃ (32℉~986℉): ±1.5℃ (±2.7℉) Or ±1.5% -50℃~0℃(-58℉~32℉: ±3℃(±5℉) Resolution 0.1℃ Or 0.1℉ Repeatability 1% Of Reading Or 1℃ Response Time 500mSec, 95% Response Response Wavelength 8~14um Emissivity Default 0.95 Object Distance Ratio 12:01 Temperature Operating Range 0~40℃ (32~104℉) Relative Humidity 10%RH~95%RH Non-Condensing, Until 30℃ (86℉) Storage Temperature -20~60℃ (-4~140℉) Package List： 1 x Infrared Thermometer (Battery Not Included) 1 x Manual