1Adopts portable design, minimum keyboard design and easy operation, easy to carry and operate 2With practical and powerful functions, support for auto scaling function and FFT function 3Universal multimeter function: 3999, test voltage, current, diode, capacitance and continuity 4Adopts color LCD screen, exquisite and smooth line make the screen clear, convenient to read the measuring results 52 in 1 function, oscilloscope + multimeter, this multi-purpose oscilloscope owns 2 universal test instrument functions