FNIRSI-1C15 is a fully functional, strong practicality, for maintenance, a cost-effective oscilloscope for R&D and education industries. Made of fine quality material, practical, easy to operate and use, has a long service life. Come on and try it. Features: Light and small, small waist shell design, excellent hand feeling, easy to carry and simple operation. With 110MHz brandwidth, 500MS/S sampling rate and ±400w measuring voltage. Just connect the probe to the calibration terminal to see this waveform on the screen, and calibrate the oscilloscope or probe based on this waveform parameter. Fine end quality hard core material: It adopts eight-way stick-style game rocker, waterproof conductive silicone buttons, anti-skid, drop-proof and shock absorbing silicone cover, which can hide the bracket, and truly achieve long service life. Stable performance tough: wave form move, wave form expand, waveform save, waveform view, waveform lock, reference waveform. Infinite persistence mode: