The Cygolite Hypershot 250l packs 250 lumens into an incredibly compact design. This powerful dual LED tail light emits ultra - bright 250 - lumen flashes in an extra - wide and long - range beam pattern, making cyclists highly visible day and night. Its unique 2 - button design allows cyclists to customize the speed of each flash mode and the brightness of the steady mode according to their preference. With 7 distinct lighting modes and a run - time ranging from 2 to 200 hours, you'll never go unnoticed. Features include powerful 250 - lumen flashes for day and night visibility, a long - range and extra - wide beam from dual LED optics, daytime - visible flashes for busy streets, a zoom mode with gentle brightness changes, a Bzzz Flash mode with fast buzz - like flashes, secure hard seat post and seat stay mounts, light mode memory, durability at just 60 grams, IP64 water resistance for all - weather use, a low - battery indicator, and it's designed, engineered, and assembled in the USA with a 3 - hour charge time.

Using the Cygolite Hypershot 250l is easy. First, use the hard seat post mount or seat stay mount to securely attach the light to your bike. Press the 2 buttons to control the flash mode speed and steady mode brightness. There are 7 lighting modes to choose from, so pick the one that suits your riding situation. When you turn off the light, it will remember the mode you were in. Remember to charge it when the low - battery indicator comes on. The charge time is about 3 hours. This light is IP64 water - resistant, so it can be used in all weather conditions, but avoid submerging it in water. Keep it clean by gently wiping it with a soft cloth. Since it's lightweight at 60 grams, you won't notice the extra weight on your bike. Enjoy your safe rides with the Hypershot 250l.