Christmas store on Bid or Buy

I bid on a HD Portable DVR with 2.5 Inch TFT LCD Screen (Product Code: 4366) and won the auction. When I returned it when it was faulty, they now indicate that I did not buy it from them. They are ****** and are now trying to change the blame to me. See details below on the transaction: <br> <br> Congratulations, you are the winning bidder of auction *** sold by CHRISTMAS STORE (9658 ): <br> <br> HD Portable DVR with 2.5 Inch TFT LCD Screen (Product Code: 4366) <br> Your winning bid was R195.00. <br> Please proceed to complete your purchase online. When making your payment, please remember to add shipping charges, if any, and use the correct reference. <br> Contact details for CHRISTMAS STORE <br> [Email Removed]<br> T Van Niekerk<br> Johannesburg<br> Day Ph: ***