Fever alert: If your baby’s temperature is too high (37.6°C and up), the light will turn red, and an alarm will sound to warn you of a possible fever​ Temperature memory: This in-ear thermometer stores the last 20 readings, to help you track your baby's temperature over time ​ Easily switch between °C and °F: Switch between Celsius and Fahrenheit at the touch of a button. Once set, the digital thermometer remembers your preference for next time​ Suitable for use from 3 months+: This baby thermometer is easy to use. Simply place the small ear tip in baby’s ear and press the scan button, and their temperature will be shown on the easy-to-read LCD display​ Protective pouch and two AAA batteries included: Comes with a protective bag so you can keep your digital ear thermometer clean and dust free when it's not in use