The handheld visual enhancement detector integrates advanced photon control and advanced photosensitive technology, and is an innovative product designed for ship emergency search and rescue, key site protection, and hazardous chemical accident rescue. Its uniqueness lies in its ability to improve the recognition and perception accuracy of targets in fog, strong light, dark night, thick smoke and other environments, provide reliable support for subsequent situational response and tactical design, and greatly improve the safety of personnel and materials under extreme conditions.