ALWAYS READ THE LABEL AND FOLLOW THE DIRECTIONS FOR USE Designed for optimum convenience, this safe and non-invasive thermometer can be used both in ear and on the forehead. The forehead function can be touchless - perfect for a sleeping child or infant. Using infrared technology to measure the skin's temperature, it gives precise & accurate readings in only 1 second with just one push of the button! The coloured LCD screen also alerts to fever temperatures, changing from green to red.