... : Single scan line Scan Speed:72 scans/sec. Hand-held Laser Barcode Scanner MS9540 specification:Light SourceVisible Laser Diode 650 nm + 10 nmLaser ... ;for other symbologies call MetrologicSystem InterfacesPC Keyboard Wedge, RS232, OCIA, Light Pen Emulation, IBM 468X/469X, Stand Alone Keyboard, USBPrint Contrast35 ... II; EN60825-1:1994/A11:1996 Class 1 Metrologic MS9540 Hand-held Laser Barcode Scanner