Flasher Bar UtilityUtility Flasher Bar NOW with automatic Arrow and Cargo Lights the newly added functions set this Emergency Flasher apart from others. This high tech flasher has motion sensors that automatically detect when the vehicle is sitting still. After 20sec of inactivity, the Arrow and Cargo Lights will Automatically turn On. Right and Left Arrow Directions available. Or if you don't want the Arrow or Cargo Lights to turn on, you can turn them Off. With a