Feature: 1. Oscilloscope + multimeter 2 in 1 design, suitable for electrical signal parameter measurement. 2. Standard USB TYPE‑C interface, support power bank charging and host computer communication. 3. With 3.5‑inch LCD display, it is easy to display the measurement results, stable and reliable. 4. 70MHz bandwidth, 250MS/s sampling rate, 8K storage depth, 10000wfrms/s waveform refreshing rate. 5. Small in size, easy to carry, supports automatic measurement, and is widely used in circuit function testing. Specification: Item Type: Oscilloscope Multimeter Material: ABS Model: HDS272 Battery: Polymerizable Lithium Battery 18650S22x2 4400mAh (Built-In Battery) Power Adapter: AC100-240V Purpose: Measurement of electrical signal parameters Model HDS272 Bandwidth 70MHz Aisle Dual channel Real-Time Sampling Rate 250MSa/s (single channel), 125MSa/s (dual channel) Sampling Mode Normal, peak sampling Storage Depth 8K Show 3.5in LCD Waveform Freshen Rate 10000wfrms/s Input Coupling DC, AC, ground Input Resistance 1MΩ±2%, in parallel with 16pF±10pF Probe Attenuation Coefficient 1X, 10X, 100X, 1000X Maximum Input Voltage 400V (DC+AC peak value, 1MΩ input impedance) (10:1 probe attenuation) Bandwidth Limit 20MHz Time Base Range 5ns/div-500s/div, step by 1-2-5 system Vertical Sensitivity 10mV/div-10V/div Vertical Resolution 8bit Low Frequency Response (-3db) ≤10Hz at BNC Rise Time (Typical On BNC) ≤5ns Trigger Type Edge trigger Trigger Method Automatic, normal, single Trigger Level ±4 divisions from the center of the display Automatic Measurement Frequency, period, amplitude, maximum, minimum, average, peak-to-peak, Cursor Measurement Voltage difference between cursors (△V), time difference between cursors (△T) Communication Interface USB TYPE-C Digital Display 4½ (Maximum display 20000) Measuring Voltage, current, resistance, capacitance, diode, on-off Input Resistance 10MΩ Diode 0-2V Function Name Range Accuracy DC Voltage 200.00mV ±(0.5%+5 dig) 2.0000V/20.000V/200.00V ±(0.3%+3 dig) 1000.0V ±(0.5%+2 dig) AC Voltage 200.00mV/2.0000V/20.000V/200.00V ±(0.8%+5dig) 750.00V ±(1%+5dig) DC Current 20.000mA/200.00mA ±(1%+5dig) 10.000A ±(2.5%+2dig) AC Current 20.000mA/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) Hz Waves Output Frequency Sine waves 0.1Hz-25MHz Square Waves 0.1Hz-5MHz Sawtooth Waves 0.1Hz-1MHz Arbitrary Waves 0.1Hz-5MHz Sampling Rate 125MS/s Number of Channels2 Output Amplitude 20mVpp-5Vpp (high resistance), 10mVpp-2.5Vpp (50Ω) Waves Length 8K Vertical Resolution 14bits Output Impedance 50Ω . Package List: 1 x Handheld Oscilloscope1 x BNC to Clip1 x USB TYPE-C Data Cable1 x Adapter2 x Test Lead1 x Probe Pen1 x Carrying Case1 x Calibration Pen4 x Plastic Ring1 x Plastic Cover1 x Clip2 x Manual