Big things come in small packages and the NiteRider(R) Lumina(TM) Micro 650 is the proof. The Lumina(TM) Micro 650 delivers a powerful punch with 650 lumens of light output, helping you to safely navigate your ride. DESIGN: Daylight Visible 650 lumen output head light All New Collimator Lens, produces a generous even widespread beam LED at 6000k Ride safely with Daylight Flash Mode! 4 Light Levels plus 1 Daylight Flash Mode FL1 Standard IP64, dust and water-resistant Secure on and off-road capable Handlebar Mount Fits standard and oversize 35mm handlebars Compact and lightweight design that's perfect for helmet mounting (Helmet Mount Sold Separately) Convenient USB rechargeable Low battery indicator Lock Mode, perfect for use during storage and transporting the light. Press and hold power button for 8-10 seconds to lock out operation of light. Weight: 130g MODES: Low - 10:30h at 130 Lumens Med - 4:30h at 325 Lumens High - 2:00h at 650 Lumens Flash - 12:30h at 650 Lumens Walk - 50:00h at 40 Lumens