CYGOLITE Expilion 850– 850 Lumen Bike Light– 5 Night Modes & Day Flash – Swappable Battery Stick– Water Resistant– Secure Hard Handlebar & Helmet Mount– USB Rechargeable– for Road & Mountain Bicycles;

This Product is 850 lumen output with Cree XM-L LED. New oval spread Enhanced Cycling Optic shines and extra wide beam and distant throw. Water resistant design for all riding conditions. 8 modes (4 steady 2 flashing 1 walking and 1 SOS). 1:15 ~ 22 hour run time. Includes handlebar and helmet mount. Replaceable Li-ion battery stick 140g.Made in United States.