The GRAYHILL part 62S22-M5-020C is an optical encoder designed for rotary incremental applications. It features a compact and flat design, weighing approximately 2.35 ounces on average. With a straight digital square wave output, this encoder provides precise position feedback. The panel mount allows for easy installation, and the included cable ensures a reliable connection. With a resolution of 4 CPR (counts per revolution), this GRAYHILL encoder is a highly accurate and durable solution for a wide range of industrial and commercial applications.