Technical parameters:1， accurate measurement: measurement deviation less than 0.3 degrees. (using the imported infrared detection system) (German chip)2， fast temperature measurement: time less than 1 seconds.3， easy to use: a key measurement， easy to operate.4， non contact: on the human forehead measurement， contact the human skin.5， service life: 2 5 battery， can be used more than 100000 times， product service life > 3000000 times.6， measuring distance: in the 5~15CM can be adapted， without fixed measurement distance.7， large screen display: large screen LCD display， three color backlight， green， yellow， red， any light can be clearly displayed.8， temperature alarm: free setting alarm temperature.9， storage data: storage of 32 measurement data， easy to analyze the reference contrast.10， set up: you can modify the setting parameters to adapt to the different color of the race (white， black， yellow， etc.).11， unit conversion: the use of degrees Celsius， Fahrenheit Conversion