The Nexa CM520M memory scanner is an extremely simple device that is an outstanding solution for specific situations. It is a dual purpose cabled scanner and cordless scanner. When pluggd into it s cable it acts like any other scanner but then simply pull the cable out and it goes into memory mode and all scans are stored in memory. After you’ve collected all the barcodes you want you can then reconnect it to a PC hold down a button and it outputs the data to the screen. No drivers or software are required. It can mark each scan with a date/time stamp and is ideal for simply collecting lists of barcodes. Includes battery wrist strap and cable.