The IDEC SA2E-DN3S-2M is a diffuse-reflective photoelectric sensor designed for high-speed detection with a rapid 0.5ms response time. It features an NPN infrared output and comes equipped with a 2-meter cable for easy installation. This sensor is particularly suitable for use in cold storage warehouses, ensuring consistent performance in low-temperature environments. Additionally, it includes a built-in reverse-polarity protection circuit to prevent damage from incorrect wiring, enhancing its reliability and safety in industrial settings.