Feature:1. Oscilloscope + multimeter + signal source waveform generator, multifunction in one, suitable for outdoor use.2. The oscilloscope has a bandwidth of 40MHz, a sampling rate of 250MS/s, a storage depth of 8K, maximum waveform update rate of 10000 wfrms/s, and supports automatic measurement.3. Standard USB TYPE‑C interface, support power bank charging and host computer communication, 3.5‑inch LCD display.4. Multifunctional multimeter, support standard voltage, current, resistance, capacitance, diode, continuity measurement.5. The waveform output frequency is sine wave (0.1Hz~25MHz), square wave (0.1Hz~5MHz), sawtooth wave (0.1Hz~1MHz), arbitrary wave (0.1Hz~5MHz).Specification:Item Type: Oscilloscope Multiumeter Material: ABSColor: As shown in the pictureModel: HDS242Battery: Polymerizable lithium battery 18650S22 x 2 4400mAh (built-in battery)Power Adapter: AC100-240VApplication: Measurement of electrical signal parametersModelHDS242Bandwidth40MHzChannelDual channelReal-time Sampling Rate250MSa/s (single channel), 125MSa/s (dual channel)Sampling ModeNormal, peak samplingStorage Depth8KShow3.5 inch LCDWaveform Update Rate10000 wfrms/sInput CouplingDC, AC, groundinput Resistance1MΩ±2%, in parallel with 16pF±10pFProbe Attenuation Coefficient1X, 10X, 100X, 1000XMaximum Input Voltage400V (DC+AC peak value, 1MΩ input impedance) (10:1 probe attenuation)Bandwidth Limit20MHzTime Base Range5ns/div~500s/div, step by 1~2~5 systemVertical Sensitivity10mV/div~10V/divVertical Resolution8bitLow Frequency Response (-3db)≤10Hz at BNCRise Time (typical on BNC)≤5nsTrigger TypeEdge triggerTrigger MethodAutomatic, normal, singleTrigger Level±4 divisions from the center of the displayAutomatic MeasurementFrequency, period, amplitude, maximum, minimum, average, peak-to-peak,Cursor MeasurementVoltage difference between cursors (△V), time difference between cursors (△T)Communication InterfaceUSB TYPE-CDigital Display4½ (Maximum display 20000)MeasuringVoltage, current, resistance, capacitance, diode, on-offInput Resistance10MΩDiode0-2VFunction NameRangeAccuracyDC Voltage200.00mV±(0.5%+5 dig)2.0000V/20.000V/200.00V±(0.3%+3 dig)1000.0V±(0.5%+2 dig)AC Voltage200.00mV/2.0000V/20.000V/200.00V±(0.8%+5dig)750.00V±(1%+5dig)DC20.000mA/200.00mA±(1%+5dig)10.000A±(2.5%+2dig)Alternating Current20.000mA/200.00mA±(1%+5dig)10.000A±(2.8%+5dig)Resistance (Ω)200.00Ω/2.0000kΩ/20.000kΩ/200.00kΩ/2.0000MΩ±(0.8%+3dig)20.000MΩ±(1%+3dig)100.00MΩ±(3%+3dig)Capacitance (F)20.000nF/200.00nF/2.0000μF/20.000μF/200.00μF/2.0000mF±(3.0%+10dig)Frequency Response (Hz)(40-1000) HzWave Output FrequencySine wave0.1Hz~25MHzSquare Wave0.1Hz~5MHzSawtooth wave0.1Hz~1MHzArbitrary wave0.1Hz~5MHzSampling Rate125MS/sNumber of Channels1Output Amplitude20mVpp-5Vpp (high resistance), 10mVpp-2.5Vpp (50Ω)Wave Length8KVertical Resolution14bitsOutput Impedance50Ω.Package List:1 x Handheld Oscilloscope1 x BNC to Crocodilian Clip1 x USB TYPE-C Cable2 x Test Leads1 x Probe Pen1 x Bag1 x Calibration Pen8 x Plastic Rings2 x Plastic Cover1 x Hollow Iron Needle2 x Instruction Manual