The Lezyne LED KTV DRIVE PAIR set of lights consists of a front light with two bright LED diodes and a day flash mode with intensity of 200 lumens. It features an exceptionally lightweight yet durable shaped construction with an IPX7 water resistance, up to 20 hours of run time, and an integrated USB port. KTV Drive provides 5 output modes. The rear light, compatible with aero post, is equipped with two bright LED diodes. It features an exceptionally lightweight yet durable shaped construction with an IPX7 water resistance, up to 20 hours of run time, and improved optics. The wide lens offers up to 270° visibility. The rear KTV Drive offers luminosity of up to 10 lumens, 5 output modes, and an integrated USB port.