The Fenix BC30 Bike Light puts self-contained 1800-lumen max output at the ready. Remote burst activation and the exclusive Dual Distance Beam System make the BC30 effective on road or trail up to 170m. Choose 18650 rechargeables or CR123A batteries to power four brightness levels and a warning mode, all guarded by a rugged bar-mounted housing. Features middot;Utilizes two Cree XM-L2 T6 neutral white LEDs, middot;max 1800-lumen output middot;Instant burst activation with the remote pressure switch middot;DUAL DISTANCE BEAM SYSTEM middot;4 brightness levels plus warning mode middot;Digitally regulated output - maintains constant brightness middot;Quick attach and detach handlebar mount sized for middot;22mm-35mm handlebars middot;Easy, secure adjustment of the light's direction middot;Made of aluminum alloy and quality plastic Bundle includes four EdisonBright CR123A lithium batteries