Moon Comet-X Rear Light. Robust, compact, and with added side visibility the, Comet-X Rear light, is the ideal in commuter rear lights. Highly practical it will last the test of time and keep you safe ride after ride Durable Design. The Comet-X Rear light has a CNC aluminium construction which means that the light can handle any high impact the road may throw at you. The light also has a heat sinking design that dissipates the heat created by the lighting of the LED in a safe way that will not allow the bike light to overheat and cause you harm when you come to touch it or cause your light to break USB Rechargeable. Moon have made things even easier by making the Comet-X USB rechargeable. Instead of having to deal with the hassle of finding and replacing batteries all the time you can simply recharge your light via the provided charging cable and a standard USB port. USB ports can be easily found as part of your computer’s desktop, on the side of your laptop, or even integrated into your smartphone charging cable In the Box. To ensure that you have all the kit that you need the Comet-X Rear Light comes with:Comet-X Rear LightRB-22 Universal bracketRS-G O-ring which fits 20-35mm diametersRS-H O-ring which fits 35-52mm diametersBK-21 belt clipUSB-WP water resistant USB charging cableFeatures. CNC aluminium constructionRechargeable lithium polymer battery7 different light modesComes with mounting systemBattery level indicatorSide visibility2 hours recharge timeDimensions: 73 x 18 x 21mmWeighs 9gBuy Moon Lights at Chain Reaction Cycles, the World’s Largest Online Bike Store.