1, Front light for bike with 5 word patterns 2, Waterproof 3, 40 design patterns and 5 word patterns 4,1 year warranty Front light for bike with 5 word patternsProduct description;1, Press gray button to turn on2, When riding slowly, the led will blink and will only show a pattern of line3, The led lights will keep blinking for 2 minutes after the wheel has stopped.4, The final light will turn ...