Monkey Light M232 - 200 Lumen - Bike Wheel Light - 32 Full Color LED - Waterproof BRIGHT AND COLORFUL: The M232 has the brightest LEDs for any wheel light in its class. EASY TO USE: One button allows you to choose between off, dashed, and solid lines. Cycle between all of the color options with the other button - solid colors, stripes, gradients and rainbows. BUILT TO LAST: Rugged and waterproof LEDs, these lights are built to last. They come with a 2-year limited warranty. MAKES A GREAT GIFT: Perfect for any woman, man, or child who rides a bike. Or a great cycling gift for yourself! Lasts up to 20 hours on 3 x AA batteries