Get fast and gentle temperature readings without even touching the body. Non-invasive design measure temperature for body bath and food. Quick 2 second readings with clinically proven accuracy. Get readings 0.4" to 2" away from the forehead. Fever Insight feature changes backlight on LED screen from green to yellow to red. Safe and hygienic no contact helps avoid transferring germs. Mute function for silent operation. Memory recall stores last 50 readings. Reads in Fahrenheit or Celsius. Includes 2 AAA batteries.