Handheld Digital Storage Oscilloscope Bandwidth 20MHz Sample Rate (real time) 500MS/s Horizontal Scale (s/div) 5ns/div～100s/div, step by 1～2.5～5 Rise Time (at input, typical) ≤ 17.5ns Display 3.7 inch color display with TFT panel (640 × 480 pixels, 65535 colors) Channel single Input Impedance 1MΩ ± 2%, in parallel with 20pF ± 5pF Record Length max 6K points on each channel Interpolation sin (x) / x Probe Attenuation Factor 1X，10X，100X，1000X Input Coupling DC, AC, and GND DC Accuracy (average) average >16 : ±(5% reading + 0.05div) for △V Vertical Sensitivity 5mV/div～5V/div (at input) Vertical Resolution (A/D) 8 bits (2 channels simultaneously) Max Input Voltage 400V (PK - PK) (DC + AC, PK - PK, 1MΩ input impedance, probe attenuation 10 : 1), CAT II Trigger Type Edge, Video, Alternate Trigger Mode Auto, Normal, Single Trigger Level ±6 divisions from screen center Acquisition Mode Sample, Peak Detect, and Average DC Gain Accuracy ±3% Automatic Measurement Vpp, Vavg, Vrms, Freq ,Period, Vmax, Vmin, Vtop, Vbase, Vamp, Overshoot, Pre-shoot, Rise Time, Fall Time, +Width, -Width, +Duty, -Duty, Delay A→B , Delay A→B Waveform Math ＋, －, ×, ÷, invert, FFT Waveform Storage 4 waveforms Lissajous,Figure,Bandwidth full bandwidth, Phase Difference ±3 degrees Communication Interface USB Power Supply 100V-240V AC, 50/60Hz Li-ion Battery 7.4V, 6 hours operation Dimensions (W × H × D) 180 × 115 × 40 (mm), ＋Multimeter Specifications; Full Scale Reading 3 4; 3 digit (max 4000-count) diode 0V-1.5V; Input Impedance 10 MΩ On / Off Test