Thill Splash Brite Premium Floats light up when they hit the water and shuts off when they comes out of the water. No buttons, no light sticks, no battery required. Just slip it on and fish. The Splash Brite is built to Thill's premium standards. These floats feature a sealed and contained design with line friendly grommets and Hi-Vis tops. The Splash Brite offers little resistance and excellent sensitivity - making it a perfect daytime float as well. Qty. per pack: 1 Medium Length: 4 1/4 in. - Lure Weight Supported : 1/16 oz. Large Length: 4 1/4 in. - Lure Weight Supported : 1/8 oz. X-Large Length: 5 in. - Lure Weight Supported : 3/16 oz. The Thill Splash Brite Premium Float has a battery life of approximately 30 hours. The battery is non-replaceable.