There are a bunch of them on eBay. They're clones of the Magicshine 808.
http://www.ebay.ca/sch/i.html?_odkw=bike+light+cree+led&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0.Xbike+light+cree+led+xml&_nkw=bike+light+cree+led+xml&_sacat=0
The original Magicshine 808 is this one:
http://www.magicshine.hk/ShowProduct.aspx?id=65
Got the wide angle lens.
http://www.action-led-lights.com/collections/lenses-optics-reflectors/products/wide-angle-lens