LEZYNE 1-LED-5A-V304 Power Drive 600 Headlight with Loaded Accessory Kit 600 Blasting Lumens with a superior beam pattern for ultimate visibility Replaceable Batteries that give infinite ride time. Loaded Kit comes with an additional battery and aluminum mounts All CNC Alumnium body for a durable and clean look USB rechargeable basically the ultimate bike light Race mode for 1 click switching between high and low. Enduro, Blast, and flashing modes in alternate setup California Company