The NiteRider Lumina Micro 650 and Vmax 150 Combo features a 650-lumen headlight and a 150-lumen taillight designed to keep you safe and visible while riding in the dark. The Lumina Micro 650 features 5 modes, ranging from 2 to 50 hours of use depending on the chosen mode, and easily clips onto a 35mm or smaller handlebar with the included clamp. The Vmax 150 attaches to your seat post and can also be worn as a safety light, running from 5. 5 to 27. 5 hours with its 6 offered modes.