... industries and places with need of 1D and 2D bar code scanner,like retailing ,hospital ,producing ... Main Features - Read all major 1D and 2D barcode symbologies- Read barcode symbology on phone screen ... VDC ± 0.25VPower :1.60W (working); 0.40W (standby)Current :320mA (working); 80mA (standby)Image size ... , Pitch, Roll)Decode capability :All 1D Bar code 2D:PDF417, MicroPDF417, QR Code, Data Matrix, Han Xin ...