REG010016CBPP5N00000 is a type of passive infrared (PIR) motion sensor made by Raystar. It is designed to detect motion in an indoor environment and is typically used for security and surveillance applications. The sensor has a wide detection angle of up to 100°, adjustable sensitivity, a large detection distance of up to 16 meters (52 feet), a red LED indicator, and adjustable time delay settings. Additionally, it is compatible with 12-24V DC power supply systems and is CE and Rohs certified for safety.