1TESTING DETAILS: The oscilloscope has 3 wave scanning modes, automatic, conventional and single; Data waveform retention function during measurement, which can store 100 groups of data and 10 waveforms. 2OVERLOAD PROTECTION: The oscilloscope is equipped with 500mA 10A double fuse and double protection meter, safe and reliable for long term use. 3PANEL CALIBRATION: The memory calibration coefficient does not need potentiometer adjustment, and is more reliable. 4PARAMETERS CAN BE SET: Parameters can be set independently during waveform measurement, such as time base, amplitude, waveform scanning mode, etc; Relative value measurement can effectively eliminate lead resistance, distributed capacitance or interference signal. 5EASY CARRYING: The oscilloscope is small and compact in size, light in weight, you can easily take the oscilloscope with you for convenient use.