No Touch Measuring, Just Safe and Hygienic: PT3 Built-in infrared temperature sensor, reads body temperature within 1.18 inches of the center of the forehead without physical contact. Tri-Point Sensors Accuracy: An ultra-sensitive infrared sensor collects more than 100 data points per second while distance and environmental sensors combine to account for other variables ensuring maximum accuracy every time temperature is taken. Fast, Simple, Clear and Quiet: The intuitive single-button control design thermometer reads the temperature in just 1 second from a clear bright extra-large LED screen, even in total darkness. The quiet vibration alerting ensures there is no buzzing noise and no disturbance. Suitable for Multi-Scenario and All Ages: iHealth PT3 is designed for all ages: ranging from babies and toddlers to the elderly. An ideal choice for hospitals, hotels, school settings, and public establishments. What You Get: 1x PT3 thermometer, 2x AAA batteries, 1x Instruction manual, 1x Quick User Guide, our worry-free 12-month warranty, and friendly California-based customer service.