Be seen with Light & Motion's Urban 180. It's a powerfully bright commuter light in a small, self-contained package. Its high-output LED bulbs boast 3 steady modes and a flashing one providing up to 180 lumens to light your way. The powerful Lithium-Ion battery delivers run times ranging from 2.6 to an amazing 20 hours. Two points of illumination on either side greatly improve safety and the whole system only weighs 112 grams!