Product: alarmColor: blackMaterial: ABSSize: as shown in the figure.Alarm mode: lights up.Specifications:1. [Responsive] This alarm can sense as soon as the fish is hooked, and the indicator will light up to remind you that the fish is hooked. It is a good helper for your night .2. [Anti-slip] The clip of this alarm is equipped with a soft rubber sleeve, which can not only prevent slip but also protect your rod from being scratched.3. [Easy to carry] This alarm is small and convenient. It can be carried in a bag and won&39;t take up too much space.4. [Gift battery] This alarm gives 3 button cell, which can be used as soon as the package is received.5. [Easy to operate] Clamp this alarm on a pole, then put the line through the knob, and the indicator will light up when the fish is hooked.This product is a buffer alarm, which is easy to use and carry.When in use, just clamp the product on the rod, clamp the wire, and turn on the power switch alarm device to start working.The alarm can effectively remind you whether the fish bites the hook or not.The buffering time is the ideal time for the fish to take the bait, which can avoid the observation error caused by the refraction of water in the water.Package Included:1* alarm (3 button cell are given inside)