OBT-M3 Wireless Barcode Scanner,Portable Data Collector,Warehouse Rugged Wireless Handheld,Stock Inventory Barcode Reader with Display,Collecting Barcodes and Quantity for Warehouse/Supermarket

Scanned 4 serial numbers and the unit locked up. Could not back out of scan mode or access menus - had to re-seat battery to reboot unit. Not impressed.

A very good barcode scanner nicely made works really good