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The D800 takes a 10 pin and the D7000 takes a different connector (not sure I don't have one and lack of 10 pin keeps me from buying the smaller bodies)
I googled it and for 20 bucks you can't go wrong but down expect Pocketwizard range and reliability. I have a Hanl one that I use for close distances and when I want to be in the shot, very similar and does the job... It's Pocketwizards when I need distance and reliability.