The SMEO-4U-K-LED-24 is a proximity sensor from FESTO's SMEO series. With a 24VDC power supply and a yellow LED indicator, this sensor offers reliable and precise magnetic reed contact detection. Its -4 to 140 degrees F temperature range and DC power supply make it suitable for various industrial applications. With its switched/alarm function, round design, and U-shaped housing, this sensor provides easy installation and reliable performance.