One 1/2 Watt Center LED and 6 additional LED"s for maximum visibility * Latest generation Serfas seat stay taillight * Water resistant silicone body and straps * Removable/Replaceable Silicone Mounting Straps * Mounts to any tube on your bike * More water resistant Silicone casing, "Version 2.0" of our famous TL-ST, Upgraded design with better built body, Features removeable straps, Bright Light Output, Comes in 8 different colors.