https://www.multi-instrument.com/oscilloscopes/VT-DSO-2810H.html
VT DSO-2810H: PC USB 8-bit 100MSPS 40MHz Oscilloscopes | Virtins Technology
Hardware Specifications of VT DSO-2810H, a PC USB Oscilloscope, Spectrum Analyzer, Signal Generator, Data Logger, powered by Multi-Instrument. Download and try...