The White light output of the EF-30A-1 Long Range Strobe is so amazingly bright it can be seen up to two miles in daylight, yes daylight, and over 15 miles at night. It has the best combination of Electronic Flare LED signal intensity in a compact design that is easy to carry inside your life vest or in your pocket. The USCG, Military, Border Patrol, and Police are currently requiring IR capability in any new LED distress signal product because it is difficult to see just white LEDs with NVG equipment. The EF-30A-1 Magnum Electronic Flare is a handheld Long Range Strobe that is visible to both the naked eye and to Search and Rescue assets using night vision goggles. Enhanced Detectability by USCG and Military Aircraft as they operate night flying operations using Night vision Goggles which see Infra Red (IR) and Visual light as FLASHED BY THE EF-30A-1. A vital piece of safety gear for boaters, kayakers, and all outdoor enthusiast.