... of code reading:100time/sec 3.Trigger and auto scan 4.RS232, PS/2 Keyboard and USB usb reader ... with trigger and auto scan Feature:Novel in design, light and flexible, convenient ... of RS 232, PC Keyboard and USBThe manner of scan startingManual or autoSpeed of transferRS232 Baudrate; 2400-38400Degree of ... mmMaterialABS+TEWeight110g usb reader with trigger and auto scan