Signal Dynamics Back Off XP Brake Light Signal Module is a compact solid-state electronic module designed to convert your ordinary brake light into 2 choices of visual alerting signals when brakes are applied.

Product Description:

• Mode one emits 3 short flashes followed by one long flash (3.5 seconds) and repeats as long as brakes are applied
• Mode two emits 5 short flashes followed by a steady on light which remains on until brakes are released