The Cateye Duplex Front and Rear Helmet Light is a simple and elegant solution to getting some coverage out on the road with a 30-lumen front light and flashing rear both offering up to 100 hours of coverage.Cateye Duplex Front and Rear Helmet Light FeaturesQC TESTING - To underline their quality and reliability, Cateye products undergo the most stringent QC tests in the industry, many of which exceed the requirements of CE. Also used in the Japanese auto industry, Cateye’s testing equates to a return rate of less than 0.9% across the brand.OPTICUBE LENS TECHNOLOGY - Cateye maximises the best beam pattern from any LED, utilising superior lens and reflector technology to emit a higher quality light and beam pattern in front of the rider, even with lower Lumen amounts ... More info