... degrees ,Wide range light for your bike, comfortably see the road in a few meters ahead of us unless bicycle goes completty staight ... since 2003.Some of products have passed CE, ROHS, TUV and EN62471 and other export certification. One product has been patented, the ... since 2003.Some of products have passed CE, ROHS, TUV and EN62471 and other export certification. One product has been patented, the ...