Set of 10 - Great Value! Essential for fishing rod tips! Flashing green, a proven performer! LED flashes to strongly attract fish. Automatically lights up when placed in water. Built-in battery, non-replaceable. Illumination time: approximately 50 hours. Some may last for 100 hours. Illumination time varies. Fishing light, fish attractor light, green, LED fishing light Japanese Spanish mackerel, Japanese cutlassfish, large mackerel, mega horse mackerel, squid, pond smelt, rosy seabass, kobudai (a type of fish), filefish, Japanese flying squid, cuttlefish, swordtip squid, Japanese flying squid, pond smelt, nomase (a fishing technique), otoshikomi (a fishing technique), tenbin (a type of fishing rig), rockfish, electric float, electric bobber - Material: Acrylic - Function: LED lamp that lights up when placed in water (Battery not replaceable) - Size: 28mm (length) x 15mm (width) (Please allow for slight variations) - Connection: Swivel 【Recommended Points】 ・Built-in battery & no troublesome operation! Automatically lights up when placed in water. ・Compact size and easy to use! Powerful illumination despite its small size. ・Great value with a set of 10! Can be set up simultaneously at various points! ・Affordable enough to share with friends. Perfect for night fishing, deep-sea fishing, and squid fishing! Use in combination with electric floats/bobbers for double the effect! Thank you for reading to the end. For those who have added this to their watch list, We are selling 10 green lights and 10 rainbow (3 colors) lights = a total of 20 for only 2480 yen, including shipping. Limited quantity available, so it's first come, first served. Please contact us through the question section if you would like to purchase.