Oscilloscope, Multimeter, Range Finder manufacturer / supplier in China, offering Fnirsi Dpos350p 4in1 350MHz Oscilloscope with 50MHz Signal Generator and 350MHz Spectrum Analyzer and 50MHz Frequency Response Analyzer, Fnirsi Sfd-02 4-in-1 Indoor Air Quality Monitor Touchscreen Formaldehyde Detector Hcho Tvoc Temperature Tester, Fnirsi Gc-03 3in1 High-Precision Electric Magnetic & Nuclear Multifunctional Radiation Detector and so on.