Great Value Set of 20! Essential for Fishing Rod Tips! Rainbow x 10 (3-color alternating flash) Iron Plate Green x 10 A total of 20 items in a great value set. We will send items after confirming the flashing. The LED flashes and strongly appeals to fish. The LED automatically lights up when placed in water. Built-in battery, battery cannot be replaced. Lighting time is about 50 hours. Fish attracting light, fish attracting light, multi-color, colorful, green, led fish attracting light Hairtail, Japanese Spanish mackerel, large mackerel, mega horse mackerel, squid, smelt, rosy seabass, kobudai, filefish, smelt, nomase, drop-in, tenbin, rockfish, electric float, electric bobber - Material: Acrylic - Function: LED lamp that lights up when placed in water (Battery cannot be replaced) - Size: 28mm long x 15mm (Please note that there may be some errors) - Connection part: Swivel 【Recommended Points】 ・Built-in battery & no troublesome operation! Lights up automatically when placed in water ・Compact size and easy to use! Powerful light emission despite its small size ・Great cost performance with a set of 10! Can be installed simultaneously at various points! ・Affordable price to share with friends. Perfect for night fishing, deep-sea fishing, and squid fishing! Use it with electric floats/bobbers for double the effect!