"Cateye EL-220/LD-150 Light Set. Lights - Sets F&R. EL220 - CatEye's HL-EL220 has 5 LEDs with OptiCube™ lens technology for a wide beam. Features flashing and constant modes, as well as more than 120 hours of runtime on 4 AA batteries. Features: •Flashing and constant modes •Wide beam •120-hour r ...."