"Cateye EL-520/TL-610 Light Set. Lights - Sets F&R. HL-EL520 - The HL-EL520 has a high power LED combined with OptiCube™ lens technology to shine at more than 1800 candlepower. Features a compact design, high/low beams, and more than 150 hours of runtime in low beam on 4 AA batteries. It features ...."