Description The DFYD-L-B Lithium Battery Life Jacket Light is a compact and reliable personal safety signaling light designed to enhance visibility during marine emergency situations. Certified to CCS (China Classification Society) standards, this life jacket light meets recognized maritime safety requirements, making it suitable for professional and commercial marine use. Powered by a long-life lithium battery, the light delivers consistent, high-intensity illumination to help rescuers quickly locate individuals in low-light, nighttime, and poor-visibility conditions. Its efficient power system ensures extended operating time with minimal maintenance, supporting dependable performance when it matters most. The light is designed for easy and immediate activation, allowing rapid response during emergencies without complex operation. Its compact and lightweight design ensures it can be securely attached to life jackets without affecting comfort or buoyancy. Built with a waterproof and corrosion-resistant housing, the DFYD-L-B is engineered to withstand harsh marine environments, including exposure to saltwater, moisture, and changing weather conditions. This makes it suitable for use in demanding operational settings. Ideal for commercial vessels, offshore installations, workboats, and marine safety applications, the CCS-certified DFYD-L-B Lithium Battery Life Jacket Light is an essential component of personal protective equipment, improving emergency visibility and enhancing overall safety at sea.