Osca02 Dual-channel Usb Oscilloscope 100m Sampling 35m Bandwidth 8 ~ 13 Bit Vertical Resolution Than 6022be - Oscilloscopes - AliExpress
Amazon.com: USB Oscilloscope, PC Based Dual Channel 25MHz Digital Oscilloscope, Handheld Mini Digital Storage Oscilloscope, Multi Functional, MIT USB Isolation, with Probe : Industrial & Scientific