Come and see our amazing products. Non-contact infrared measurement, while avoiding cross-infection. Measuring distance is 1-3cm. The forehead thermometer is suitable for all ages, adults, infants and the elderly. It not only supports forehead function, but also can measure indoor / object temperature. High-accuracy infrared measurement, intelligent algorithm, audible alert for over-temperature. It is ideal for the forehead readings, and have a very small error margin(0.1F for body mode, and 1.0F for ambient mode. Battery is not included. Pls confirm with us about the packing info, stock color and exact production time before placing your order