The IDEC SA2E-DP3M-2M is a diffuse-reflective photoelectric sensor designed for high-speed detection with a rapid 0.5ms response time. Equipped with a PNP red LED and a 2-meter cable, it is well-suited for use in cold storage warehouse environments. The sensor also features a built-in reverse-polarity protection circuit to prevent damage from incorrect wiring, ensuring reliable operation and longevity.