Description:The digital thermometer is designed for all ages, adults, infants and elders. It supports forehead or ear function. â and â are easily switchable.For best accuracy, the distance between the thermometer and object of measurement should approximately be 1.18- 1.96inches.Intelligent light indicator & 50 sets of memory, 50 sets of readings are recorded for better tracking the changes of body temperature.ADDED FUNCTIONS: The LCD screen is backlit, also has an auto-off function to extend the battery life, and features a low battery indicator.Quick measurement in 1 second, real-time reading, and sound mode, just measure the temperature to wake up the baby. It can be read clearly using the large backlit LCD screen even in the dark.