Pacoco New PC Programmable Wireless LED Custom Message Bike Cycle Motor Wheel Lights PC Programmable Wireless Portable Message Transmitter.Upload from PC to USB Drive Direct to LED Gadget Hub Mount Keeps Wheel Balanced.30 blue LED lights illuminate any Message; Joke; Protest; Logo Built in 40 Different Patterns, 5 English words and 4 custom messages.Increase Visibility for Safe Night or Day Riding Shows a clear pattern at half of the average bike speed.Hub mount keeps wheel balanced.Wireless portable message transmitter With double-wing design and using our special IC, it can easily show clear patterns at half the normal Speed of between 14km/h, 8mile/h.Using RF technology, it allows you to program and send messages through a portable transmitter with USB Port