This long-flying disc utilizes an ultra-bright L.E.D. fiber-optic array illuminating the entire disc from every angle. The innovative design provides optimal balance and stability. This disc looks, feels and flies like the highest quality non-illuminated discs. Features: Longest & Straightest Flight - 185g. Best illumination - preserves night vision. Soft & Comfortable Feel. Water Resistant - Floats. Long Life Replaceable Battery/Batteries. The Ultimate in Durability.