Channel:2 Channels Bandwidth:20MHz Shot bandwidth:DC to 20MHz Input Impandence:1MΩ 25pF Max. Sample rate:40MS/s Vertical resolution:8Bit Gain range:20mV-5V, 8Steps DC accuracy:±3% Timebase range:1ns-5000s, 39 Steps Vertical adjustable:Yes Input protection:Diode clamping X-Y:Yes Trigger Mode:Auto, Normal and Single Trigger Slope:+/- Trigger level adjustable:Yes Trigger Type:Rising edge, falling edge Trigger Source:CH1, CH2 Pre/Post trigger:0-100% Sampling selection:Yes Waveform Display:port/line, waveform average, persistence, intensity Network:Open/Close Cursor measurement:Yes Cursor:Frequency, Voltage Operating system: Windows 7, Windows NT, Windows 2000,Windows XP, VISTA USB2.0 interface, no external power source required, easy to use. Be suitable for notebook computer, product line maintenance,be used easily on business.