1. Characteristic Cost-effectiveness; Excellent industrial design-the same anodised aluminium casing as iPad, which is not only beautiful and tasteful but also greatly enhanced the hardness of aluminum alloy surface, and has good heat resistance and strong wearability. Standard USBXITM interface, easyly inserts into USBXITM housing to make up a combination instrument. USB2.0 interface, no external power source required, easy to use. Be suitable for notebook computer, product line maintenance,be used easily on business. Dimensions (mm):205(L) x120(W) x35(H), be carried easily. High performance, 48MS/s real-time sampling, 20MHz Bandwidth, Operating System: Windows 7, Windows NT, Windows 2000, Windows XP,VISTA. 23 measurement functions, PASS/FAIL Check, be suitable for technical application> Waveform average, persistence, intensity,invert,addition, subtraction, multiplication, division,X-Y plot. Save waveform in the following: text file, jpg/bmp graphic file, MS excel/word file. FFT One computer can connect many DSO, extend channel easily. Labview\VB\VC Second Design instance. 2. Hardware Specification Channel 2 Channels Bandwidth 20MHz Input Impandence 1MΩ 25pF Max. Sample rate 48MS/s Vertical resolution 8Bit Gain range 20mV-5V, 8Steps DC accuracy ±3% Coupling DC Timebase range 1ns-9000s, 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 Vertical mode CH1, CH2, Dual, ADD Cursor measurement Yes Math FFT, addition, subtraction, multiplication, division. Cursor Frequency, Voltage Accessories S/W CD, probes, manual, USB cord 3.Software Operating system: Windows 7, Windows NT, Windows 2000,Windows XP, VISTA 4.Second Design Supply DEMO code(VC、VB、LABVIEW) and technical support.