- Support USB1.1 or USB2.0 communication. - Support WIN98, WINME, WIN2K, WINXP operation system. - USB ports Power Supply, power supply output is 500 MA since the recovery, which can effectively prevent outside of USB influence short circuit, target board can supply with USB together. - download not finish influence the operation of the target board. - support S51 and AVR chips record, speed faster than parallel ISP, more stable; There is no parallel notebook computer and use the best choice. - the latest version of exceed stable firmware, download speed jump line without choice, download speed faster, more stable. - using standard IDC10 interface