Features 1、The thermometer can measure non contact over long distances to ensure your safety and can be used with confidence. 2、Can easily switch between ℃ and ℉ units. Low battery indicator light and automatic shutdown function also ensure battery life. 3、The product is made of high quality ABS material, has a large temperature measurement range, and the measurement results are accurate. 4、The object distance ratio is 12:1, and the adjustable emissivity improves the measurement accuracy of different types. Easy to operate and easy to carry. 5、This product is widely used in many situations, such as pool temperature, food temperature, floor temperature, car tire temperature, etc. Specification Item Type: Infrared Thermometer Model: GM321 Material: ABS Battery: 2 x 1.5V AAA (Battery Not Included) Application: Pool temperature measurement, food temperature measurement, car seat temperature measurement, wooden floor temperature measurement, automobile tire temperature test, refrigerator temperature test, water temperature measurement Temperature Range -50℃~400℃ (-58℉~752℉) Accuracy 0℃~400℃ (32℉~752℉): ±1.5℃ (±2.7℉) or ±1.5% -50℃~0℃ (-58℉~32℉): ±3℃ (±5℉) Resolution 0.1°C or 0.1°F Repeatability 1% of reading or 1℃ Response Time 500mSec, 95% response Response Wavelength 8~14um Emissivity 0.10~1.00 adjustable (default 0.95) Object Distance Ratio 12:1 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