7 super bright LEDs enhance safety by improving side visibility * 6 patterns plus 1 programmable word (English letters A - Z, digits 0 - 9) - customize your bike, make your own messages * Energy-efficient with light & motion sensors; 2X CR2032 batteries included; waterproof, rust resistant, durable for daily use in all weather conditions * Great gift for family and friends, ideal souvenir for events, smart way to advertise * Proud of BikingMyWay Premium Product Series for GREAT FUN & UNIQUE PERSONALITY