This is an Aluminum Heatsink with copper base which should be compatible with all kinds of Cree LED including ones sold in my store and Tri-Cree LED with 20mm OD Star base.
Your item will be shipped with Thailand Post track & signed standard international shipping. If you live in the US, it should take around 13-21 days to be delivered. You can trace your package via Thailand Post website 'http://track.thailandpost.co.th/tracking/default.aspx?lang=en' and when the package leaves the country, you will have to trace the item on your local post website using the same tracking number. For the ease of use, I recommend you to track your package using this website 'http://www.track-trace.com/post' and select your country from the list.
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