Serfas Cosmo 30 Tail Light
30 lumen to keep you safe! The UTL-30 utilizes an aluminum constructed body to house an IPX6 waterproof light. With its 5 modes, the UTL-30 is ready for action. Features: Large, Highly Visible Lens for Maximum Visibility IPX6 Waterproof Max Charge Rate 500mA Charges from Dead to Fully Charge in 2 hours.