Non-contact Thermometer GunA safe way to measure temperatures in hard to reach places, and hot or hazardous areas. It is compact and easy to use simply aim the built in laser at the target area and read the temperature between 50C to 500C from the backlit LCD screen. Features include a 12: 1 distance to spot ratio, rapid 500ms detection, max min, data hold, and auto power off functions. Please note this unit only measures surface temperature not internal body temperatures.