Retractable boat safety lanyard with a red retractable line and rotating carabiner to prevent tangling. Designed to keep you comfortable and safer on the water. Key benefits - Red retractable lanyard with a rotating carabiner prevents tangling during movement and use. - Pull the line to shut off the motor immediately, with the boat slowing gradually for controlled stopping. - Easy to attach to the control box and hang on the reader for quick access. Safety and compatibility - 7-button design supports up to 7 sets of keys and includes an emergency stop function for motor boats, cruise ships, and outboard engines. - The safety button feature provides an additional on-water safety control whenever needed. Durable materials and construction - Sturdy and reliable construction using durable waxed rope and PU material. - Rust-proof stainless steel buckles on both ends for long-lasting use and corrosion resistance. Ease of use and installation - Connect the key to the control box and simply hang it on the reader. - Compact and lightweight design allows for quick, hassle-free installation in minutes. Use scenarios - On a motor boat with multiple crew members: assign different keys to each person and use the emergency stop if needed. - On boats with outboard engines: quickly shut off the engine by pulling the line in an emergency or when approaching hazards. - On cruise ships or larger vessels with control boxes: keep keys organized and easily accessible by hanging them on the reader for fast access during docking or routine operations.