1.Hand-held 1D&2D Laser usb reader 2.COMS sensor 3.Supports 1D barcode and 2D codes (QR Code, Datamatrix, PDF417,Maxicode ... ,etc Hand-held 2D Laser usb reader Product FeaturesDurable and Easy to OperateErgonomics design, ... all global standard 1D barcode symbologies,as well as major 2D codes (QR Code, Datamatrix, PDF417,Aztec, Maxicode, Chinese-Sensible Code ...