Features: This product is double channel design, USB isolation PC digital storage Oscilloscope 25MHz bandwidth, and 100MSa/s sample rate. With channel isolation function. The VDS1022I PC Oscilloscope features 5K record length. Friendly UI design: FFT, or X-Y, and waveform 2 views displayed on the same screen. Multi-trigger option :edge, video, slope, pulse, and alternate USB bus powering. Ultra-thin body design, easy to carry. Specifications: Model VDS1022I Bandwidth 25MHZ Channel 2+1 (multi) Sample Rate 100MSa/s Horizontal Scale (s/div) 5ns/div~100s/div, step by 1~2~5 Rise Time ≤14 ns Record Length 5K Input Coupling DC, AC, GND Input Impedance 1MΩ±2%, in parallel with10pF±5pF Channels Isolation 50Hz : 100 : 1, 10MHz : 40 : 1 Max Input Voltage 400V (PK - PK) (DC+AC, PK - PK) DC Gain Accuracy ±3% DC Accuracy Average≥16: ±(3% reading + 0.05div) for TriangleT Probe Attenuation Factor 1X, 10X, 100X, 1000X LF Respond (AC, -3dB) ≥5Hz (at input, AC coupling, -3dB) Sampling Rate / Relay Time Accuracy 150ps Interpolation sin(x) /x Interval (Triangle T) Accuracy (full bandwidth) Single: ± (1 interval time + 100ppm x reading + 0.6ns), Average >16: ±(1 interval time + 100ppm x reading + 0.4ns) Vertical Resolution (A/D) 8 bits (2 channels simultaneously) Model VDS1022I Vertical Sensitivity 5mV/div~5V/div Trigger Type Edge, Pulse, Video, Slope, Alternate Trigger Mode Auto, Normal, Single Trigger Level ±5 divisions from screen center Acquisition Mode Sample, Peak Detect, and Average Line / Field Frequency (video) NTSC, PAL, and SECAM standard Cursor Measurement Triangle V, and Triangle T between cursors Automatic Measurement Vpp, Vmax, Vmin, Vtop, Vbase, Vamp, Vavg, Vrms, Overshoot, Preshoot, Freq, Period, Rise Time, Fall Time, Delay A to B , Delay A to B , +Width, -Width, +Duty, -Duty Waveform Math +, -, x, /, invert, FFT Lissajous Figure Bandwidth full bandwidth Phase Difference ±3 degrees Communication Interface USB 2.0 Multi-function Interface Signal Type TTL Level Standard Power Supply 5.0V/1A Power Consumption ≤1.5W Dimensions Approx. 170 x 120x18 (mm) / 6.69 x 4.72 x 0.7in Weight 721g Package included: 1 x PC Oscilloscope 2 x Probe 1 x USB cable 1 x CD 1 x Manual 1 x Adjust tool 2 x Tip locating sleeve 4 x Color circle 2 x Ground spring Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .