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Equipped with a half-watt Blaze LED light for the front and a combo LED set for the back, the set provides wide visibility in both flashing and steady modes, depending on your preference. In addition, the rear Superflash light--which includes three half-watt Blaze LEDs and 2 eXtreme LEDs--clips to just about anything, with bike mounts and a clip mount to get you started. As a result, you have no excuse to see poorly or go unseen while riding. Each of the two lights runs for up to 100 hours per battery set (2 AAs for the Blaze and 2 AAAs for the Superflash, included) and is backed by a limited lifetime warranty.