Radio Shack at it again:
Wireless multimeter: measures AC/DC voltage, AC/DC current, resistance, continuity, diode polarity and ambient temperature. Oscilloscope: captures detailed voltage and current waveforms and provides FFT analysis. Logger: up to 6 months standalone data-logging Retractable Leads. App available for iOS and Android. Pinch and drag to zoom and analyse signals, and cursors and add traces to signals. Export your waveforms to CSV. Includes: 1 x pokitMeter 1 x Zip Lock Pouch 2 x Detachable Wire Clips 1 x Battery 2 x 2A Fuses
Guess that's all you need to know.
Does seem to be rather convenient, although single channel seems limited.
formatting link