1、Made of quality materials, lightweight, tough, waterproof, durable for long time use. Underwater depth can reach up to 1000m. 2、The luminous part is made of fiber-optic head which makes light travel farther through the water, attractive to fish. 3、This fishing lure led light is a good gear for fishing, especially for fishing shrimps, crabs, etc. Suitable for both freshwater and saltwater fishing. 4、Lighting design, powered by built-in battery, easy to use. 5、Compatible with various kinds of hooks, very helpful for fishing. Features: 1. Made of quality materials, lightweight, tough, waterproof, durable for long time use. Underwater depth can reach up to 1000m. 2. The luminous part is made of fiber-optic head which makes light travel farther through the water, attractive to fish. 3. This fishing lure led light is a good gear for fishing, especially for fishing shrimps, crabs, etc. Suitable for both freshwater and saltwater fishing. 4. Lighting design, powered by built-in battery, easy to use.  5. Compatible with various kinds of hooks, very helpful for fishing. Specification: Material: Plastic + Metal Optional Color: Red, Green, Blue, White Battery Type: Built-In Button Battery Size (Length x Width x Height): Approx. 8 x 2 x 2 cm/ 3.15 x 0.7 x 0.7 inch Weight: Approx. 31 g Packing List: 1 x Fishing Lure Light