Acumen Disc presents a brand new Blu Ray and DVD/CD Duplicator controller for up to 8 Targets Duplicator System. The controller is install on to standalone BD/CD/DVD duplication machine that does not required a computer to operate. Our controllers offer cutting edge technologies such as incorporating an one-touch "Select Source" Shortcut Smart-Key Button that allows you select the source with touch of one button. The controller can support up to 8 writers without hard drive or 7 writers with a hard drive. Please note: This is a replacement component/part for our duplicator. It does not have an instruction or manual on installation. This controller presents a revolutionary feature where a shortcut button which you can select the source to duplicate all your files from with ease and saving you time without the hassles. No need to push extra buttons, where you can push the "select source" button and choose which source: Hard Drive Disk (optionally can be install on a 3 target duplication unit) or Reader Rom Drive for your writer drives to duplicate from for disc to disc copies. Please purchase this controller only if you know how to install a controller to built a duplicator as it does not contain instructions