The Instrument Is a PC Based Logic Analyser From Hantek .Its USB Based And Is a Excellent Tool For Repair And Debug Engineers .Its Has 32 channels For Input With Superb Feaures .Some Excellent Parameters For This Device Are Max Sample Rate @ 400 Mhz ,Max Input signal Bandwidth @ 150 .Compatiable Inputs TTL , LVTTL , CMOS ,LVCMOS ,ECL ,PECL ,EIA .