0.96 Inch OLED Display Mechanical Button 250 kHz Sampling Rate Simple Oscilloscope Metal Knob Adjustment Single-channel Measuring Mini Oscilloscope

Features:
With 0.96 inch OLED display screen and 128x64 resolution, the controller is one EC11 encoder.
The input is sin-gle channel and Sec/div is 500ms, 200ms, 100ms, 50ms, 20ms, 10ms, 5ms, 2ms, 1ms, 500us, 200us, 100us, 100us only available in Auto Trigger Mode.
The sampling rating is 250kHz @100us/div, and the voltage ran-ge is 0-30V, measuring ran-ge is 0-30K.
You can DIY it by yourself, you can add cover for this mini oscilloscope, which can prolong the service time of this tool.
It is in small size and easy to carry, you can take it with you to anywhere you want to use it.