The Economo front light with high output ROL technology delivered from just 2 x AA batteries leads the way, while the Rapid Flash & high power LED’s of the Rapid 3 will warn any approaching vehicle of your presence from great distance. Front light: Featuring next generation ROL technology, the LED is mounted at the centre of the lens so that all the light uses the maximum area of the reflector, meaning Cateye are able to control 95% of the light emitted from the LED. This powerful light emits 1000 candlepower from only 2 x AA batteries. Rear light: Two standard LEDs with Cateye superb lens technology provide great all-round visibility, then a single high power LED in the centre provides a superb pulse of light that really stands out. This amazing little light has several flashing sequences to maximise brightness & battery life.