FrontLane Impulse 6-Watt Equivalent Integrated LED Red Pulsing Brake Collision Avoidance Warning Light

Introducing Impulse, the world's first Collision Alert System for the driver behind you. Impulse alerts following drivers with ultra-bright, pulsing red LEDs that activate upon hard braking allowing them to react up to 50% faster. It has a motion sensor and battery, so it simply sticks to your vehicle's rear window, completely wire-free. The installation is easy, fits nearly any vehicle and the batteries last 4-years for the average driver.