The Lezyne LED KTV Drive Light Set is a compact cycling safety light set with a super lightweight construction.The KTV Drive Front light features two bright LEDs and a 220-lumen Daytime Flash mode. It has a super lightweight, yet durable co-moulded construction that is IPX7 (waterproof) rated. Up to 20 hours of runtime (eight hour increase) and up to 200 lumens (20 lumen increase) of output. And it features an integrated USB stick for convenient cable-free recharging. The KTV Drive Front offers five output modes.The KTV Drive Rear is a compact, 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 LED KTV Drive Light Set FeaturesKTV Drive FrontMax Lumens: 200 lumens.Weight: 47.5g.Max Runtime:20 hours.Recharge Time: 3 hours.KTV Drive RearMax Lumens: 10 lumens.Weight: 54g.Max Runtime:20 hours.Recharge Time: 3 hours.