Key Features:Durable aluminium construction with anodised finish.Lens acts as power / mode button70% brighter than former Loop 2 battery lightsLow profile, low weightonly 20gStrong sideways visibility2 x 2032 batteries includedMode: Output, RuntimeRuntime:Front:10 LmConstant: 50 hrsFast Flashing: 100 hrsSlow Flashing: 100 hrs Rear:5 LmConstant: 50 hrsFast Flashing: 100 hrsSlow Flashing: 100 hrsQc TestingTo 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, Cateyes testing equates to a return rate of less than 0.9% across the brand.Opticube Lens TechnologyCateye maximise 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.Long Press To Turn On & OffA feature appreciated by consumers to prevent accidentally sw