Matymats Fishing Bite Alarm Electronic Fish Finder Alert Bell LED Light Clip on Fishing Rod Black 1pc/2pcs/4pcs NEVER MISS ANOTHER STRIKE: Sound and light alarm device for fishing. The alarm will notify you, when a fish hits or runs, so you can be sure to not miss the big catch. EASE AND EFFICIENCY IN ONE PRODUCT: Small and exquisite design, easy to carry, easy to install. You only need to clip this alarm on rod, and then wrap the fishing line around alarm, it is that simple, and convenient too! NO DAMAGE TO YOUR FISHING ROD: Will not damage your fishing line, or any part of the fishing rod in any way as it conveniently fits on your rod without hassle. FISH EVEN AT NIGHT: Perfect for night fishing, due to the integrated light alarm which brightens up! So you can use this product any time of the day. Product Length 8CM/3.15in; Width: 5.5CM/2.17in; Height: 2CM/0.79in