True vehicle lighting for your bicycle. The super-wide & incredibly bright beam pattern of the Flux Expert headlight puts out up to 1200 lumens of LED light where you need it to see & be seenday or night. Sculpted beam pattern puts light where you need it & maximizes every lumen. Down-firing reflector creates smooth 180-degree wide beam for excellent peripheral vision. Sharp cutoff illuminates objects 1/3 of a mile away without blinding oncoming motorists & cyclists. Raised center reflector for automotive style high/low beam control. Illuminated remote offers unparalleled control over light output. New hinged quick-release mounting system for perfect alignment every time. New patent-pending all metal mounting system centers light in front of stem with longer reach to work under most computer mounts. Wide variety of mounting options to fit all flat bar & drop bar cockpits. USB (Universal Serial Bus) rechargeable 5200m Ah Li-Ion internal battery. 400 to 1200 lumens LED output. 1.75 to 20 hours runtime. Four operating modes: Full Power 1200 Lumens Battery Saver 600 Lumens Surge 400-1200 Lumens Flash 400 Lumens