CONTACT-FREE DESIGN: The non-contact infrared technology provides a fast, accurate reading without the need to touch a surface. Reduce the need to clean the device or worry about spreading bacteria thanks to the limited exposure to contaminated areas. Reliable & Accurate: Most commonly used in medical settings, yet perfect for home use for your family. The Reading populates in just 2 seconds with both C/F degree options. 4-IN-1 READINGS: Store up to 50 results of personal, room, food, or liquid temperatures. EASY TO USE: Normal, low-grade, and high-fever alerts make readings easy to understand with the 3-color backlight high-fever alarm. One-touch operation allows for quick and easy readings with user-friendly modes and power buttons.