Amazon.com : Barcode Scanner with Stand, Wired Handheld Bar Code Scanner with Adjustable Stand, Esky Automatic 1D USB Laser Scanner Support Windows/Mac/Linux for POS System Sensing, Store, Supermarket, Warehouse : Office Products
Amazon.com : NETUM QR Code Scanner, Mini Barcode Scanner Bluetooth Compatible, Small Portable USB 1D 2D Bar Code Scanner for Inventory, 2.4G Cordless Image Reader for Tablet iPhone iPad Android iOS PC
SocketScan S840 Universal Barcode Scanner – Socket Mobile
Amazon.com : Tera Barcode Scanner Wireless and Wired with Battery Level Indicator 1D 2D QR Digital Printed Bar Code Reader Cordless Handheld Barcode Scanner Compact Plug and Play Model D5100 : Office
Handheld USB 2D Barcode Scanner
Barcode Reader/Scanner Module - CCD Camera - USB Interface : ID 1203 : $69.95 : Adafruit Industries, Unique & fun DIY electronics and kits