ELD 13710 programmable dc electronic load .Remote controlled by computer .Battery capacity testing Features.Over- ... reverse connection of polarities protectionSoftwareElectronic load software, VB, VC++, DELPHI, LABVIEWStandard accessoriesUser's manual, AC cable, handle bars, software CDOption accessoriesRS232 ... 47~63HzDimensions(WxHxD)225x105x340mmWeight5kg ELD 13710 programmable dc electronic load