2016 NEWEST VERSION, The oscilloscope easily suffice common electronic engineering tasks. It's based on ARM cortex M3 (STM32VCT6), providing 72Mhz analog bandwidth with integrated FPGA and high speed ADC. Internal 8MB USB disk could be used to store waveform, user application and upgrade firmware. This is the newest version with the software upgraded to lib 2.25 app2.6 

Features:

3" 240 ¡Á 400 widescreen color TFT LCD screen 
4 inputs & 4 tracks (Two 72Mhz analog channels and two digital channels) 
A custom waveform output (including the built-in sine, square, triangle)
Built-in 2M USB disk 
2 probe connectors 
Signal Generator; Auto Measurement;Various Triggering Option 
Open source            

Specification: 

Analog channel * 2:[CH_A] [CH_B] 
Digital channel * 2:[CH_C] [CH_D] 
Vertical Scale:20mV-10V/div (1-2-5 step) on x1 probe / 200mV -100V/div (1-2-5 step) on probe 
Vertical resolution:8 bit 
Input coupling:AC/DC 
Max input voltage:80Vpp (x1 probe) / 400Vpp (x10 probe) 
Storage:4K per channel / 8K on single channel 
Software trigger type:edge, pulse, level (to be added) 
Hardware trigger type:edge 
Trigger source:CH1/CH2/EXT 
Trigger mode:Auto, Normal, Single, SCAN, None
Test Signal generater:10Hz to 8Mhz 2.8Vpp Square Wave, duty circle 10~90% adjustable / 10Hz to 20Khz 2.8Vpp Sin, Square, Saw, Triangle wave 
Storage:Build-in 2MB USB disk, BMP, DAT file 
Auto measure:Vmax, Vmin, Vpp, Vavr, Vrms, Freq, Period, Pulse, Duty 
Cursor measurement:Level, Voltage 
Display mode:CH1, CH2, EXT, CH1+CH2, CH1-CH2, CH1*CH2 
Sampling mode:real time 
Sampling rate:30S/s - 72MS/s 
Power:950mAh build in battery 
Dimension:98 * 60 * 14.5 (mm) 355g

Package Included:

DSO203 *1
Probe 1x/10x *2
Mini USB Cable *1