Hantek LA5034 34-Ch 500Mhz Usb Pc Digital Logic Analyzer WITH18PCS Hooks re
+6V to -6V Adjustable Logic Threshold. Logic threshold Range. USB 1.1 and 2.0 Compatible. Up to 34 data input channels. Temperature range. Electrostatic Protected. TTL,LVTTL,CMOS,LVCOMS,ECL,PECL,EIA.