Serfas Thunderbolt (UTL-6) Taillight gives you style and safety in one high-powered and affordable package.
Features a light silicone body
Features 30 micro-LED strip
Modes: 1.75 hours (high beam); 7 hours (low beam); 3 hours (high blink); 9.5 hours (low blink)
Unique mounting system that allows for endless mounting possibilities
Highly Water resistant
Weight: 50 grams
Comes in 7 different color options