The Banner Engineering Corp SM312LVMHS0-050248 Mini-Beam Series Standard Sensor is a non-polarized retroreflective sensor with a visible red LED sensing beam. It has a maximum sensing distance of 5000mm and operates based on light/dark detection. The sensor has a NEMA 4X type rating and is protected by an IP67 housing, making it suitable for industrial automation and motion control applications. With a supply voltage of 5-15V DC and a response time of .3ms, this sensor provides reliable and precise sensing capabilities in a compact rectangular housing with M18 mounting.