Adopts ARM - processor , and includes a 2.4-inch color TFT display screen Used for secondary development on the basis of this kit, for example, it can be changed to millivoltmeter, data loggers Come with instructions, easy to install and operate Auto/normal/single trigger modes, easy to capture the moment waveform Available rising or falling edge trigger Observable previous waveform trigger (negative delay) Can freeze waveform display at any time (HOLD function) Waveform parameter digital display, including frequency, period, , duty , MAX./MIN././-/virtual values Short-circuit and open-circuit detection: Can help the find out the soldering error TFT controller recognition function The SMD has been soldered, more suitable for electronic beginners Maximum real-time sampling rate: 1 /s Analog bandwidth: 0 - 200 KHz Sensitivity range: 5 - 20 mV/ Maximum input : 50 Vpk (1X probe) Input impedance: 1M ohms/20pF Accuracy: 12 bits Record length: 1024 points Coupling modes: DC / AC / GND Time Base Range: 500s/ - 10us / Trigger modes: Auto, normal, and single Trigger position: Center of buffer Supply : DC 9 V (8 - 10 V) Current consumption: ~120 mA @ 9 V Main board size: 94 x 65 mm (3.7 x 2.56 in) Analog board size: 65 x 47 mm (2.56 x 1.85 in) Screen size: 52 x 40 mm (2 x 1.57 in) Colour:White Material:ABS Different batches, the product may have color difference, does not affect Package Contents: 1 x oscilloscope 1 x BNC probe Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.