Fit for the portable computers, table PC, and suitable for wild mobile use and business trip use. Support WIN10/ WIN8/WIN7 etc. USB 2.0 interface plug and play, and no need extra power supply. Great function, More than 20 kinds of automatic measurement function, PASS/FAIL Check function. Resourceful trigger function, dynamic cursor tracking, waveform record and replay function. Good mechanical design with small size which is easy for carrying. The outer case is made by the same material with iPad - Anodised aluminium. It has great heat resistance and abrasive resistance with beautiful appearance. The hardness of aluminium alloy surface is greatly improved. 4 isolated channels oscilloscope, 1GSa/s real time sampling rate, 2mV-10V/DIV high input sensitivity and large input range, 70MHz high bandwidth. The waveform data could be output to EXCEL,BMP,JPG. Waveform averaging, afterglow, lightness control, reverse, add, subtract, multiply, divide, X-Y display. FFT spectrum analyzer. One computer could connect with multiple oscilloscopes, expand the channel number easily. Provide secondary development library DLL; Provide LabviewVBVCQT developing examples.