Type:Portable LF microchip scanner for animal id tag, H20-F-G4 Standard:ISO11784/785 Operating Frequency:125KHz,134.2KHz Format:FDX-A, FDX-B, HDX Dimensions:20x10x3cm Operating System:MS Windows XP and Win 7 Operating Voltage:9V Interface:USB Color:White,Black Net Weight:145g Show More