The Vicks Speed Read Thermometer with Fever InSight helps you to better understand the meaning of your child's temperature. The screen of this item is backlit. The screen of the Vicks thermometer shows green if there is no fever, yellow when the temperature is slightly elevated and red for a fever alert. You can see at a glance just how ill your child is. Fast, 8-second readings are also important when your little one is sick. The sooner you can determine his or her temperature, the faster you can start treating your child. Other features include and auto shut-off, professional accuracy you can trust, memory recall and multiple options.