[Multimeter + oscilloscope + ohmmeter] Three in one, one instrument combines three instrument functions, designed with small one-handed operation and one-button automatic oscilloscope, which can be applied to any occasion, and it is powerful and convenient in the true sense. [Specifications] 50M sampling / 10MHz analog bandwidth + 4000 automatic range multimeter, oscilloscope and measurement waveform one-button conversion display. Save/read up to 100 sets of waveforms and 100 sets of values. The waveform measurement numbers show Vp-p, Vavg \ Vrms \ dbm, TrueRMS high-precision sine wave other waveform signals. [Ultra-warm design] Silicone button, anti-fall holster, matte body, fully sealed structure design, waterproof, moisture-proof and fall-proof, help prevent fall, rear bracket will place the device at 45 degree angle, the best Visual area. It can also be operated at any time in rainy and harsh environments. The instrument is used in a commercial environment, on-site teaching, and can also be used in cars or household appliances. [Specifications] Storage coefficient and panel calibration technology, no potentiometer adjustment, can measure: DC current / AC current, DC voltage / AC voltage, resistance, capacitance, frequency, duty cycle, diode test, continuity test, AC bandwidth Up to 10KHz, db (details can be clicked on the right picture group or the details page to view) [100% quality assurance] Delivery time is about 3-5 days. Sampling speed: 3 times per second. (E-eon supports 1 year warranty and lifetime support, independent overseas warehouse, professional one-on-one after-sales service docking)