Waekon 75000 Auto Wave Auto Set automatically sets time an voltage scale adjustments for the signal or voltage being viewed Zoom and Pan adjusts the view of the signal for a more detailed waveform Accurate Readings with a sample rate up to 1 million samples/second Color LCD Display for easy viewing of waveform time and voltage scale 4 GB Micro SD Card saves waveform snapshots for later review on the too or on a PC