The Cob Rechargeable Rear Bike Light from Luma is a super-bright, super-durable light that can be seen from up to 1200 feet away. With three wide-amgle LEDs and a selection of four lighting modes, the light delivers all the performance you require in a tough shell that\'s built to withstand knocks and bruises on the trail.Rear bike light3x super-bright rechargeable LEDsWide beam LED technology - 240° visibility angle4 lighting modes - Full brightness, chase, fast chase, flash/strobeOn/Off buttonIPX-4 waster resistencyHard-wearing materials