WIDE COMPATIBILITY: Can be used for medical and other purposes and has memory storage of 20 readings. MULTIPLE MODES: Measure in Fahrenheit or Celsius to quickly scan for fever via the forehead or ear. EASY TO READ: Digital LCD screen is easy to see and features an intelligent temperature warning. EASY TO USE: Great for adults and children, just hold it 1/2 to 2 inches away from the head. NO TOUCH THERMOMETER: Infrared sensor provides instant and accurate temperature readings in 1 second.