Amazon.com : Wireless 1D 2D Barcode Scanner with Stand, NetumScan Portable Automatic QR Code Scanner Supports Screen Scan Handheld CMOS Image Bar Code Reader with USB Receiver for Warehouse POS and Computer :
NetumScan L5 2D Barcode Scanner - Wired Handheld QR Bar Code Reader/Im – NETUM
Iball Computer Scanner in Chennai at best price by Sigma Business Machines - Justdial
Duplex Portable Scanner
2D scanners – IGCSE COMPUTER SCIENCE
How Scanners Work | HowStuffWorks
Fujitsu Scansnap Ix1300 Compact Wi-fi Document Scanner For Mac Or Pc, White (pa03805-b005) : Target