The NT-M379U is an Optical Sensor manufactured by Lipoo that is RoHS compliant, which means it does not contain any hazardous chemical substances above a certain limit. Its features include a 2.0mm such solder pins, an operating temperature range of -25 to +85?, a built-in filter, and an operating voltage of 3.3V. It is mainly used for sensing objects and motions and can be used in a variety of applications such as automation, robotic, and medical industries. This sensor is also highly accurate and reliable thanks to its high resolution and long life.