The VS361 is a pedestrian traffic counter sensor based on diffuse photoelectric switch technology. It detects passersby by emitting an infrared beam and identifying its reflection off objects, enabling accurate people counting. Positioned as an entry-level, cost-effective solution for outdoor customer flow statistics, it features an IP65 waterproof rating and an adjustable detection range of 1 to 9 meters, ensuring reliable environmental adaptability. It is designed to provide essential data for analyzing foot traffic trends and is a key component for calculating store entry conversion rates within a smart retail analytics ecosystem. The device can be used in storefront windows, passageways, and similar environments.