FNIRSI-138 PRO Portable Handheld Digital Oscilloscope Kit 200KHz 2.5MS/s | eBay
DSO 138 Oscilloscope Kit Open Source with Probe 2.4" TFT 1Msps Digital Oscilloscope Kit with DSO 138 Case + Probe 13803K for Electronic Learning Set: Amazon.com: Industrial & Scientific
Cheap Oscilloscope Kit 2.4 Inch TFT Handheld Pocket-Size Digital Oscilloscope with Protective Case and | Joom