1. When a fish with the bait takes the hook and the fishing rod moves, an alarm will sound to remind you that a fish has taken your bait. It is suitable for children, beginner anglers, fishing enthusiasts, people with multiple fishing rods, or those who don't want to miss any fish. 2. With high sensitivity and a loud signal of 80 decibels, you won't miss it. The clip is sturdy and won't easily fall off the fishing rod. It is made of high - quality materials and is durable. 3. Description: The high - quality materials ensure good waterproof performance, and battery - powered operation gives you more freedom to use. It is an ideal fishing tool that allows you to correctly understand fishing information in real - time. It is easy to use, assemble and disassemble, making it a great fishing tool for beginners. 4. Features: Color: black; Material: plastic; Dimensions: 6x2x2cm. Made of high - quality materials and is durable. When a fish takes the hook with the bait and the fishing line moves, a signal will sound to remind you that a fish is taking your bait. With high sensitivity and a loud signal of 80 decibels, you won't miss it. The strong clip is not easy to fall off the fishing rod. It is suitable for children, beginner anglers, those who fish with multiple fishing rods, or any angler who doesn't want to miss a catch. The package includes: 4 x fishing indicators.