No touch measurement, safe and hygienic: The built-in pt3 infrared temperature sensor can read the body temperature within 1.18 inches from the center of the forehead without physical contact. Three-point sensor accuracy: 1 The ultra-sensitive infrared sensor collects over 100 data points per second, while the distance and environmental sensors combine to account for other variables; ensuring maximum accuracy every time you measure temperature. Quick, Simple, Clear and Quiet: The thermometer's intuitive one-button control design indicates temperature within 1 second through a clear, bright, oversized LED display, even in total darkness. Silent vibrating alarm ensures no hums and distractions. Multiple scenarios and all ages: iHealth PT3 is designed for all ages: from babies and toddlers to the elderly. Ideal for hospitals, hotels, schools and public institutions. What you will get: . 1x pt3 thermometer, 2x aaa batteries, 1x user manual, 1x quick user guide, our focus 12 months warranty and friendly California customer service