Efficient Night Protection This catch signal light uses intelligent light control technology to automatically illuminate in dark or foggy conditions, helping to ensure safe navigation for your at night. Automatic Flash Activation Install 2 AA batteries. An intelligent detection system automatically activates the flash as needed. Reliable Performance Built with waterproof materials, this catch signal light delivers consistent functionality in varying weather conditions and supports longer battery life. Improved Adaptability The tail has unique hanging holes on both sides for easy attachment to a range of fishing gear, buoys, or sea vessels. Portable and adaptable for different outdoor work settings. Use scenarios Night fishing or boating in low visibility conditions where automatic lighting enhances safety. Temporary marking of gear, buoys, or vessels during mooring, surveying, or coastal work. Quick deployment on boats or other outdoor work sites that require visible signaling in harsh weather or at night.