This professional rescue buoyancy jacket is designed for disaster rescue personnel, featuring wear-resistant waterproof Oxford fabric outer layer with EPE high-density polyethylene foam filling, providing ≥50N inherent buoyancy and ≥100N total buoyancy dual protection. Equipped with a ≤5-second quick auto-inflation system, it adapts to floods, mudslides, and other complex rescue environments. The high-visibility orange design with shoulder reflective strips significantly improves identification in hazardous environments. The chest rescue whistle facilitates emergency signaling, with universal size and lightweight design that doesn't impede professional rescue operations.