Please Pay Attention!!! Welcome to my store, please read the following words carefully before you are ready to buy. Features: 1.Quick temperature measurement:Product temperature measurement is fast, 1S temperature measurement. 2.High measurement accuracy:Low error value 0.1 degree,Provide high-speed and reliable measurement data. 3.Unit conversion function:Convenient conversion of Celsius / Fahrenheit,easy to use. 4.Backlight：Large clear LCD display, and high-brightness backlight for easy reading. Description: 1. The product is a non-contact infrared thermometer, small and portable, with fast measurement speed, high accuracy and more safety. 2. With backlight function, it is more convenient to read large screen. Specifications: Color: purple/green/grey Material: ABS Working temperature: ambient temperature 10.0 ℃ -35.0 ℃（50.0℉- 95.0℉） Power supply voltage: DC 3.0V 2 * AAA alkaline battery (not included) Product size: L * W * H: 149 * 90 * 45mm Measuring range: 35 ℃ -42.9 ℃(95.0℉-109.2℉) ( Body temperature mode) Accuracy: 35 ℃ -42 ℃(95.0℉-107.6℉) : ± 0.2 ℃ (± 32.4℉) Outside 35 ℃ -42 ℃(95.0℉-107.6℉): ± 0.3 ℃ (± 32.5℉) Measuring distance: 1 cm ~ 3cm Storage transportation: -20 ℃ ~ + 55 ℃ (-68.0℉~+131.0℉), relative humidity: ≤93% Package Included: 1 x Non-contact Infrared Forehead Thermometer 1 x Instruction manual 1 x Certification of Competencey