BKA Mechanical Back-up Alarm

The Tri Lite BKA Mechanical Back-up Alarm is great for public safety and industrial applications. Its rugged, 6-inch diameter bell may be set to ring in either forward or reverse direction. As the vehicle moves, one of two gravity actuated hammers strike the bell every 1/2 turn of the wheel.

  • Totally mechanical and automatic.
  • Mounts directly on wheel.
  • No wires or switches needed.
  • Zinc plated 10-gauge steel.
  • Shipping Weight: 4 lbs.
Part Number Description Decibel Level Dimensions
BKA Vehicle Back-up Alarm 86db @ 1 ft. 6" diameter bell, 3" depth, 7-1/4" mounting plate