The Infrared Forehead Thermometer with Beeper Function CE can give you accurate readings and completes measurement just in 1 second. Infrared Forehead Thermometer with Beeper Function low price can also be used to measure the temperature of milk bottles, surface,and other items.The Infrared Forehead Thermometer with Beeper Function china is an essential device in every household nowadays. Its working principle is based on the relationship between temperature and measurable infrared radiation.