COFFLED Booms Fishing High Sensitive Electronic Buzzer with LED Indicator for Night Fishing and Multi-rods Fishing 1# High Sensitive for every fish bites timely and harmless to fishing line 2# Buzzing Device: help fisherman to handle multi-rods fishing at one time 3# Portable and Easy Installation: suitable for most reels 4# LED Indicator: visible for night fishing 5# Free 2 Day Shipping: Lets go fishing on this weekend