The GOS-620 and GOS-630 Analog Oscilloscope delivers the most economic solution for measurement demand. Offering 1mV ~ 5V vertical sensitivity, 0.2s/div ~ 0.5s/div sweep time, and useful Auto/Norm/TV-V/TV-H trigger modes, the GOS-620 is the best economic choice for education, production lines, and repair service application at a reasonable price.