Infrared thermometer. Takes the Human body temperature within 1.2-2 in distance from forehead. Accurate reads in 1 second with no contact with person. Convenient and hygienic operation. Provides forehead readings comparable to Oral thermometers. Three Color Back-lit LCD display. Features Fahrenheit or Celsius temperature. Stores last 32 readings. Audible alarm is temperature is more than 100.4 F or 38 C. 30 second automatic shutoff. Requires 2 AA batteries (Not included). Can be used to measure room, objects and liquid temperatures too.