The SM312LVQDP is a retro-reflective photoelectric sensor from Banner Engineering. It has an operating voltage of 10 to 30V DC, a response time of 4.5 ms, a dark-on/light-on switching mode, a maximum sensing range of 48”, a LCD display, and adjustable sensitivity. It offers reliable detection for a wide range of material thicknesses and can prevent false triggering from extraneous light sources, making it an ideal choice for detecting the presence and location of parts, products, and objects in manufacturing, packaging, food processing, and material handling operations.