Signal Pod is the first wireless turn signal system. Rechargeable 3.7v Lithium ion battery 24 LED signal light. The wireless controller is easy to reach mounted to the handlebar. Push button to activate bright Red LEDs in right or Left turn signal or Hazard (Brake) mode. An audible beeping sound alerts rider that the signal is on as well as to remind them to turn it off. Light mounts to seat post.