Sealey-H&-Held-Automotive-Single-Channel-Oscilloscope-Multimeter-Sealey-TA330-p-Simple-to-use-oscilloscope-that-allows-observation-of-constantly-varying-signals-from-vehicle-components-&-sensors-With-a-bandwidth-of-20 M Hz-the-unit-is-suitable-for-detecting-CAN-signals-on-modern-vehicles-Functions-include-date-hold-record-auto-ranging-&-USB (Universal Serial Bus)-interface-for-downloading-data-to-PC-This-versatile-unit-also-has-a-built-in-multimeter-with-large-digit-display-&-bar-graph-Supplied-with