This waterproof LED taillight is designed for cycling safety, providing visibility day and night. It features a wide-angle design, USB rechargeability, and a durable ABS + PC construction. The light has four modes and a battery capacity of 330mAh, lasting up to 5 hours. It is IPX5 water-resistant and comes with a silicone mounting strap. The package includes the taillight, USB charging cable, and silicone mounting strap.