Lezyne Hecto Drive and KTV Drive Pro Light System. Features: Compact, durable cycling light with a machined aluminum body with built-in cooling fins and cutouts for side visibility Its single LED design provides an impressive maximum output of 500 lumens and eight output modes, including a Daytime Flash mode Offering up to 20 hours of total runtime, charging is simple with an integrated cable-free USB stick, and the light straps securely to various handlebar shapes and sizes Rear Light: Compact, aero seatpost-compatible rear bike light providing up to 150 lumens and six output modes It offers up to 20 hours of max runtime and a highly disruptive Daytime Flash mode - The light utilizes our Wide-Angle Optics lens design to provide 270deg of visibility, durable, rigorously tested to IPX7 Waterproofing standards, and an integrated USB stick allows convenient cable-free recharging Specs: Model:Hecto Drive 500 XL and KTV Drive Pro Lumens:500 front and 150 rear Run Time:up to 20 hrs front and rear Color:black/black Weight:-