See or be seen day or night with the Flux Elite headlight. It features a compact & lightweight design with an output of up to 400 lumens. Think of it like riding with a small car headlight on your bicycle. 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. 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. Works with Flux Expert remote control &40;sold separately&41;. USB (Universal Serial Bus) rechargeable 2200m Ah Li-Ion internal battery &40;60% more capacity than previous iterations&41;. 200 to 400 lumens LED output. Charges in less than 2.5 hours with supplied high power cable in any phone charger &40;3.5 hours in a laptop USB (Universal Serial Bus) port&41;. Four operating modes: Full Power 400 Lumens Battery Saver 200 Lumens Surge 120-400 Lumens Flash 400 Lumens