Features: 1. 15 seconds automatic shutdown: when not in use, it will be automatically shutdown after 15 seconds. 2.Quick temperature measurement:Product temperature measurement is fast, 1S temperature measurement. 3.High measurement accuracy:Low error value 0.2 degree,Provide high-speed and reliable measurement data. 4.Unit conversion function:Convenient conversion of Celsius / Fahrenheit,easy to use. 5.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. 3. Automatic shutdown function makes you more worry free. Specifications: Color:white Measuring method:Non-contact Measuring distance:3cm-5cm Measuring range:32 °C-42 5°C ( 89 . 6 °F-108 . 5° F ) Maximum permissible error + 0 . 2° C between 35° C + 0 . 3° C beyond 35° C Resolution:0.1°C Operating temperature:16'C-35C , humidity<85% Storage / transport temperature:O° C-50° C ( 32° F-122 ° F ) , humidity-85 % Rated voltage:DC 3V ( 2AAA batteries ) Battery reminder:Low battery reminder Backlight:High-brightness backlight Temperature unit:Centigrade ( C ) / Fahrenheit ( F ) Auto power-off:15 seconds Package Included: 1 * forehead thermometer(without battery)