Handheld oscilloscope, bandwidth 180MHz, Sampling rate 500MSa/s, refresh rate of up to 50000wfm/s. The DDS signal generator has 14 kinds of function signal waveforms and a free-customized chopping waveform.The frequency of the sine wave can reach up to 20MHz, and the other waveforms can reach up to 10MHz. It has three time base modes of YT, XY and rolling. Manual cursor measurement is suitable for measurements with large noise signals.