【Dual-channel 3-in-1 Digital Oscilloscope】 2.8 inch full vision color screen display, 320*240 color screen display, ABS+ silicone shell material, anti-fall and anti-shock, strong protection, double ceramic fuse, intelligent anti-burn overload protection, protection circuit 【One-button measurement, free adjustment】 with a complete trigger mode: automatic, single, conventional; Equipped with efficient one-click automatic adjustment, the measured signal waveform can be displayed without complicated adjustment 【Excellent endurance】 Built-in 3000mah large-capacity lithium battery, recyclable charging, 8-hour long battery life, safe use, it also has a TYPE-C charging interface, charging more convenient. 【Efficient and accurate】 Dual-channel 2X10MHz bandwidth, isolated channels are independent of each other to avoid infection between each other, and signal detection is more accurate. One key waveform saving, saved photos can be viewed in the oscilloscope, can also be exported to the computer, convenient for the collected signal for secondary analysis. 【Wide application】It's suitable for switching power supply measurement, pulse signal measurement, crystal waveform measurement, power ripple measurement, audio signal measurement