MM 10X Glow Fishing Twin Bell Fishing Tackle Green Rod Clip Tip Lights Bite Alarm/Bait Alarm/Fishing Alarm Practical alarm bells design with double bells, plastic clip. Clamp the Fishing Bell easily on your rod and ring when fish strike. Ensure fishing line is able to be seen in the dark night Material: Plastic+ Stainless steel Powered by: 2 LR41 button batteries (included)