Sleek and compact rear light that places 15 COB LEDs onto a 1.25` square platform15 LED PB Power Array provides four modes for all types of riding and conditions with mode memoryAngled rubber backing positions the light output horizontally even when mounted on a sloping tubeFast recharging - 260 mAh lithium polymer battery charges in 3.5 hours with USB C cable (included)Smart Charging Technology with built in low battery indicatorProvides 180° of light visibility for improved safety and visibilityRun times of 2 to 15 hours depending on mode usedBlack4RearSilicone StrapUSB-C30UPC/EAN/GTIN: 642016330407