Master Beacon Large makes it easier to catch all kinds of fish, both fresh and salt water. For fresh, this means: all salmon, all trout, large mouth bass, muskellunge, pike, and steelhead. Salt water includes bonefish, permit, snook, striped bass, and tarpon. An LED light at the top of the bobber lets you know a fish is striking, lighting green for moderate and red for strong. And while it was designed for night and ice fishing, it is a great bobber in all situations - day or night, summer and winter. It's easy to use, just thread Master Beacon Large onto your line and it's ready. Master Beacon also comes in Small and Medium in addition to Large. A 3-pack is available at a lower cost per bobber to catch fish from small to large and save money! Guaranteed for life (batteries excluded). With the patented technology of Master Beacon Large, you will increase your catch whether you're an experienced fisherman or a beginner!