Micro Drive 600XLAn impressively bright dual-LED cycling light with a rugged machined aluminium body. Integrated cooling fins optimize performance and side cut-outs provide side visibility. With up to 600 lumens of output and nine output modes, featuring a Daytime Flash mode, the Micro Drive 600XL is super versatile - day or night. It offers up to 44 hours of battery runtime (a nine-hour increase) and charging is easy with an integrated cable-free USB stick. Its strap mounts securely to most bar sizes and shapes.KTV Drive RearCompact, aero-post compatible safety light with two bright LEDs. It features a super lightweight, yet durable co-moulded construction that is IPX7 (waterproof) rated. Up to 20 hours of runtime (seven-hour increase) with highly improved optics. Its Wide Angle Lens offers over 180° of visibility. The KTV Drive rear provides up to 10 lumens and five output/flash modes. And it features an integrated USB stick for convenient cable-free recharging.Lezyne Micro Drive 600XL/KTV Drive Light Set SpecificationsMicro Drive 600XLMax Lumens: 600 lumens.Weight: 97g.Max Runtime: 44 hours.Recharge Time: 2.5 hours.KTV Drive RearMax Lumens: 10 lumens.Weight: 54g.Max Runtime:20 hours.Recharge Time: 3 hours.