The equipment is good, the service by email is bad. The installation went very easy. When referring to drive to record the size limit is observed. I have a 1TB WD hard drive. Only after I equally divided into two large partitions and FAT 32 formatted (with a freeware) recognized the device the plate. On a partition of the Receiver receives. On the other partition I export the recordings that I further editing on PC. This also replaces the missing second USB port. So far I had no problems with the device.