It is a 2 channel oscilloscope with stable performance and high accuracy. With 100MSa/s real-time sampling and 40MHz bandwidth. 
Features: 
Professional digital storage oscilloscope with 100MSa/s real-time sampling and 40MHz bandwidth. 
With over 20 kinds of auto measurement functions, PASS/FAIL check function. 
Waveform average, persistence, intensity, invert, addition, subtraction, multiplication, division, X-Y plot. 
Waveform data can be saved in the excel, bmp, jpg format. 
USB 2.0 interface, no external power source required, easy to use. 
FFT spectral analysis function. 
Suitable for PC, product line maintenance or technical application. 
Operating system: Win7, WinNT, WinXP, Win8, Vista. 
One computer can connect with several oscilloscope at the same time. 
 
Specifications: 
Channel: 2 Channel 
Bandwidth: 40MHz 
Sampling Rat: Max.100MSa/s 
Storage Depth: 10k-32kb/ch 
Vertical Resolution: 8bit 
Impedance: 1MΩ 25pF 
Coupling: AC/DC/GND 
Voltage Range: 10mV-5V, 9steps 
Vertical Accuracy: ±3% 
Timebase Range: 4ns-1h, 38steps 
Vertical Adjustable: Yes 
Input Protection: Diode Clamping 
X-Y: Yes 
Horizontal Mode: Auto, Normal and Single 
Trigger Slope: +/- 
Trigger Level Adjustable: Yes 
Trigger Source: CH1, CH2, EXT 
Pre Trigger: 0-100% 
Sampling Selection: Yes 
Waveform Display: Port/Line, Average, Persistence, Intensity 
Network: Open/Close 
Math: FFT, Invert, Addition, Subtraction, Multiplication, Division 
Cursor Display: Frequency, Voltage 
Item Size: 18.5 * 10 * 3cm / 7.3 * 3.9 * 1.2in 
Item Weight: 289g / 10.2oz 
Package Size: 23 * 17 * 7.5cm / 9 * 6.7 * 3in 
Package Weight: 670g / 23.6oz 
 
Package List: 
1 * Digital Oscilloscope 
1 * USB Cable 
1 * CD 
2 * Probes