Fenix BTR20 800 lumen rechargeable Dual Distance Beam Cree LED 5 Mode Bike Bicycle Light with battery, charger, Helmet Mount, and EdisonBright AA/AAA alkaline battery sampler pack. Utilizes Cree XM-L(T6) neutral white LED, max 800 lumens output Customized BA2B rechargeable battery pack, battery switch-out system Instant Turbo with the remote pressure switch IPX-6 Water Resistant in heavy rain or thick fog Comes with EdisonBright AA/AAA alkaline battery sampler pack.