iHealth PT2L No-Touch Forehead Thermometer, The contactless way reduces the risk of cross-infection and largely eliminates the need to clean your thermometer between measurements. The advanced infrared sensor measures IR energy emitted from the forehead and collects more than 100 data points per second, ensuring high accuracy every time a temperature is taken. Get rid of the traditional 1-3 minutes waiting time. iHealth infrared thermometer gives you accurate body temperature reading within 1 second. The color-coded fever indicator provides an intuitive reading of temperature.