The Color Sensor with Extended Fittings - Raspberry Pi RoHS manufactured by Waveshare is an electronic part that is compatible with Raspberry Pi boards. It is used to detect the color of objects using three optical filters (red, green, and blue). The extended fittings allow for greater flexibility when mounting the sensor on various surfaces. It features an adjustable sampling rate of up to 4 seconds making it ideal for measuring the color of fast-moving objects. Its RoHS compliant design ensures that it is safe for use in a variety of applications. The sensor also features a range of up to 400mm, so it can be used to accurately measure color in faraway objects.