LAUNCH CRP123I V 3.0 scanner brings 4x faster stable processing speed and powerful diagnostic capability. No need battery and software installation before the use. >>>>5-year-w. Easy to Diagnose with DTC Help&Code Search:When CRP123I scans error codes, DTC Help can define the code and give the appropriate explanation and repair guidance advise through Google search.And there is no need to update or download any APP before use.