Clip on your fishing rod can make you fish easily. With 2 bells, you will get alarm signal when the fish comes to the hook. Great for professional and occasional fishermen. [Perfect for Night Fishing]They are connected together through springs, nailed firmly and will not fall off It is very suitable for professional fishermen and fishing enthusiasts for night fishing, night sea fishing, night lake fishing, and fishing competitions [Sensitive Bell]Just clip on the fishing rod, once a fish bites the hook, the alarm bell is connected through a precise and sensitive spring, which can respond quickly and make a crisp sound to remind you that a fish has taken the bait. Pull the lever; you just have to see which indicator light is pulling the lever Colour:As Shown Material:Stainless steel + copper type:F: Spiral colored copper bell Package Contents: 30 x Fishing Alarm Only the above package content, other products are not included. Note: Light reflection and different displays may cse the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.