All Fenix bike lights feature a Dual Distance Beam System and a remote burst activiation. The Dual Distance Beam System delivers close-in visibility, long-range illumination and a broad flood beam all guarded by a rugged bar-mounted housing. With the option to choose between 18650 rechargeable or CR123A batteries it allowes for four brightness levels and a warning mode. This is the ideal flashlight for professional riders to ensure a safe and pleasant cycling experience during late afternoon and or early morning rides.