This Plug-in programmer is used to get connection between the locks and the cloud. When connecting the device to a computer via USB, it synchronizes with the cloud where the information is stored. Then connect each lock to the programmer and simple push of a button to get the update. Cables for connection to lock (Flexlock Invisible) and computer are included. To connect the device to a Visible lock, you also need a Plug-in Adapter cable Visible, art. No. 374031.