FRONT: High-performance front/rear cycling LED combo with quick-action, two button wireless remote. Front Connect Drive 1000XL: A powerful, multi-purpose front light with up to 1000 lumens of output. Its machined aluminum body is lightweight, super rugged and heat dissipating. It features eight output modes, with a class-leading 1000 lumen Daytime Flash mode. With its MOR (Maximum Optical Reflection) lens, light output is optimized and evenly dispersed. And its versatile strap securely mounts to variety of bar shapes and sizes. REAR: Compact, aero-post compatible safety light featuring a Daytime Flash mode. Its co-molded construction is super light, yet durable and has an IPX7 waterproof rating. NEW -- Up to 19.5 hours of runtime (6.5 hour increase) with highly improved optics. Its Wide Angle Lens offers over 270° of visibility. The KTV Drive Pro Rear provides up to 75 lumens (Daytime Flash) and five output/flash modes. And it features an integrated USB stick for convenient cable-free recharging. Lezyne Connect Smart 1000Xl / Ktv Smart Pair -Led Lighting