G4148 Vehicle Memory Saver- Avoids loss of memory in: Electronic control units. - Radio Codes or Station Settings. - Vehicale Security, Clocks and Seat Settings. - Uses mains powers transformed 12V DC supply. - Cigarette lighter socket fused connector. - Full instructions included.The safe reliable way to save "memory loss" disruption on 12V negative earth vehicles with cigarette light sockets. Avoids loss of memory in- Electronic Control Units- Radio codes or Station settings- Vehcile Security- Clocks and Seat settings.Uses Mains Power Transformed 12V DC Supply - Cigarette Lighter Socket Fused Connector - Full instructions. Many memory controlled facilities on modern vehicles are lost when the vehicles battery has to be disconnected. Gunson's VEHICLE MEMORY SAVER provides a convenient and safe way to avoid this disruption. The Memory Saver removes the need for an extra 2 batteries in order to replace the one on the car, and will run for an extended period of time.PLEASE NOTE This item is an old stock clearance so the boxes on some items are slightly imperfect however the items are all in perfect condition.