Product is a very good quality, i bought it without hard drive , arrived the second day, connected it to already camera setup i have , 2mp different make all worked and this DVR picked all of them, inside is clean and the shipset is not cheap shipset but samsung, fast softawre response on the cloud side. All in All the product is worth it of top quality. Instruction manuals are well written, very clear and in english. Power supply unit comes with proper UK plug. All in All iam very happy with this buy and i will buy again.