2 in 1 Oscilloscope Multimeter Multifunctional Digital Oscilloscope 1CH 250MSa/s Sampling Rate 40MHz Bandwidth for Testing and Troubleshooting Electronic Circuit Faults On Site Service Item: 2 in 1 Oscilloscope Multimeter Color: Black, Blue Main Material: ABS Partial Performance Parameters of Oscilloscope Bandwidth: 40MHz Channel: 1 Channels Real Time Sampling Rate: 250MSa/s Sampling Mode: Sampling, Peak, Detection Storage Depth: 4K or 8K Display: 3.5-inch LCD  (320*240)  Waveform Refresh Rate: 10000 wfms/s Input Coupling: DC, AC, GND Input Impedance: 1M Ω± 2%, Parallel with 16pF ± 10pF Probe Attenuation Coefficient: 1X, 10X, 100X, 1000X, 10000X Maximum Input Voltage: 400V (DC+AC, PK-PK) Sampling Rate Range: 0.25Sa/s～250MSa/s Waveform Interpolation: (Sin x)/x Time Base Range: 5ns/div~1000s/div, Step by 1~2~5 Base Time Base Accuracy: ±100ppm Vertical Sensitivity: 10mV/div~10V/div Position Range: ±2V(10mV/div–200mV/div)； ±100V(500mV/div–10V/div) Low Frequency Response: ≥10Hz (AC Coupling, -3dB)  Rise Time (Typical on BNC): ≤8ns DC gain accuracy: ±3% Trigger Type: Edge Trigger Coupling: DC, AC Trigger Type: Auto, Normal, Single Trigger Level Range:  ±4 div from the Center of the Screen Trigger Level Accuracy: ±0.3 div Trigger Position: According to Record Length and Time Base Edge Triggering: Rising Edge; Falling Edge Automatic Measurement: Period, Frequency, Mean, PK-PK, Maximum, Min, Amplitude, RMS Cursor Measurement: △V, △T Communication Interface: TYPE C Power Supply: 2 * 3.7V Lithium Batteries Part of the Performance Parameters of the Multimeter are Standard Display: 24,000 Readings Measurement: Voltage, Current, Resistance, Capacitance, Continuity, Diode Diode Test: 0-2V Maximum Input Voltage: AC 750V，DC 1000V Maximum Input Current: AC 10A，DC 10A Auto Range: √ Continuity: <50Ω Ture RMS: √ Size: 19.8*9.6*3.8cm/7.8*3.78*1.5inch