1x USB to RS485 485 Converter Adapter & 10 Pieces 6mmx30mm 20A Faset-Blow Ceramic Fuse Link 500V
- set2: 10 x Ceramic Fuses + 1 x USB to RS485 ConverterNo need external power, powered by USB portFully compliant USB 2.0 standard , backward compatible with USB1.1Support System: Windows XP , Vista, Windows 7 , Linux , MacOS , and WinCE5.0 driveAll kinds with RS485 port device parameter settings , data communication