Infrared Forehead Thermometer--Accurate, Efficient and Reliable Femometer Forehead Thermometer can quickly read accurate temperature in 1 second. It can both measure human body and objects. It has practical functions such as high temperature alarm, automatic shutdown, temperature switching, etc. The package is equipped with 2 AAA batteries and a quick guide manual. Even the elderly and first-time users can get started quickly. The infrared forehead thermometer is a good choice for home, office, school use. Instant Feedback The thermometer is equipped with a highly precise IR sensor. Therefore, it can take a temperature in 1-2 seconds. Tri-color backlight LCD backlight has 3 different colors according to temperature, and abnormal temperature is accompanied by warning sound.