The item received is not the one ordered (different definition). Accordingly, the Kinect camera is loose the support and the use of it is impossible.
Furthermore, it lacks the cache of the Kinect camera which nevertheless appears in the product description. Finally, the product was not packing even though the description emphasized this point (4 photos of the packaging in the description) and arrived in a plain envelope.
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EDIT 01: The merchant GamersFun acknowledged by email that the product sent does not match the description of the product ordered. Also it does not have the product initially ordered. GamersFun promptly refunded me while proposing to me to keep the product sent by mistake. That does not do me much but avoids me to / tedious to the Post Office to return ...
Therefore, I back my initial rating of 1 star to 3 stars because of the quality of service. I believe that the initial error does not justify a greater than 3-star rating.
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EDIT 02: new product ordered and received (sold and shipped by Amazon). This time, the product is good and it matches the description. The support makes the job well but does not seem very strong and appears finally expensive for the quality and reliability it inspires. Therefore, a rating of 3 stars seems to me appropriate here too.