Big things come in small packages & the Nite Rider® Lumina Micro 650 is the proof. The Lumina Micro 650 delivers a powerful punch with 650 lumens of light output, helping you to safely navigate your ride. Allowing you to see & be seen. As with all Luminas in the series, it features a low battery indicator when the power button changes from blue to red color this indicates that there is Approx. 15-20% battery life remaining. All New Collimator Lens, produces a generous even widespread beam Daylight Visible 650 lumen output head light CREE LED at 6000k Ride safely with Daylight Flash Mode! 4 Light Levels plus 1 Daylight Flash Mode FL1 Standard IP64, dust & water-resistant Secure on & off-road capable Handlebar Mount Fits standard & oversize 35mm handlebars Compact & lightweight design thats perfect for helmet mounting (Helmet Mount Sold Separately) Convenient USB (Universal Serial Bus) rechargeable Low battery indicator Lock Mode, perfect for use during storage & transporting the light. Press & hold power button for 7 seconds to lock out operation of light.