?Practical? This oscilloscope has 4 analog channels, real-time sampling rate of up to 100MSa / S, can capture fast, complex signals; Dedicated test items + universal oscilloscope to meet the requirements of different levels of customers. The oscilloscope is suitable for the development, testing, analysis and debugging of various digital circuits. It can be used for research and development of electronic engineering, maintenance of automobiles and home appliances,electricians, etc ?Core technology?3-in-1 function: universal oscilloscope + car oscilloscope + digital multimeter, can easily realize the one-button operation function of the corresponding module of the car; can measure AC/DC voltage, current, resistance, capacitance, diode, on-off detection, etc. Edge trigger function: automatic, normal, single-shot 3 modes, automatic detection support in general oscilloscope mode (20Hz - 10MHz) ?Data Recording?Both the car oscilloscope mode and the general oscilloscope mode have a waveform recording function, which can record 999 waveform images, making the phase relationship/missing condition and CAN-bus bus analysis more clear. Support USB device to store data: The waveform screenshot can be stored in the U disk and opened by computer software. It can store two sets of reference waveforms, 20 Group screenshot ?Powerful display function?3.2 inch color TFT LCD display, 320 * 240 resolution, the waveform display is clearer and more stable. The pop-up menu display realizes its ease of use and greatly improves the user's work efficiency. Support Chinese and English menu display, black and white / color display style, 5 levels to adjust backlight brightness. Screenshot of any interface (long press F2 screenshot), screenshot can be previewed directly ?Detail design?The oscilloscope adopts a new ultra-thin design, which is small in size, convenient to carry and flexible in operation; the operation panel is simpler and more intuitive, the keys feel comfortable and not easy to wear; the back of the fuselage has a bracket to support the oscilloscope standing tilt, convenient to use and view data. Long standby: single battery can work continuously for 5 hours, use up rechargeable cycle, one power supply, one standby