DSO nano v3 - pocket sized oscilloscope

The DSO Nano V3 is a pocket-size compatible 32bit digital storage oscilloscope. Based on ARM -M3, it's equipped with 320*240 color display, internal storage memory, USB port and recharging function. It's compact, simple to operate; meets the basic demands of school lab, electric furniture repairment and electric engineering.
This is a updated and cool version of DSO Nano which features a firmware and a embedded 2 Mbyte storage chip instead of micro SD card slot. The documents of this version in detail is on this page, please refer to it.
Updates in v3:
V3 used a new firmware with user-friendly interface, easier to operate
Upgraded firmware via virtual disk
Added build-in 2Mbyte storage chip Black metal shell

Features
Portable and lightweight
Color display
Waveform storage and playback
6 triggering modes
200Khz Analog Bandwidth
Complete measurement markers and signal characteristics
Built-in Signal Generator
Accessories available
Open Source

Specifications
Display: 2.8'' color TFT LCD
Display Resolution: 320x240 Display Colors 65K
Virtual Broadband: 0 ~ 200kHz
Max. Sampling Rate: 1Msps 12 bit Sampling Storage Depth: 4096 points Transverse Sensitivity: 1uS/Div~10S/Div(1-2-5 stepping) Vertical Sensitivity: 10mv/Div~10V/Div(x1 probe) 0.5V/Div~10V/Div(x10 probe)
Input Resistance: >500KO
Max. Input Voltage: 80Vpp(x1 probe)400Vpp(x10 probe)
Coupling Mode: DC
Triggering Mode: Auto,Normal,Single,None,Scan
Auto Measurement: Frequency, cycle, duty, Vpp, Vram, Vavg, DC voltage; Vertical Precise Measurement Cursor; Horizontal Precise Measurement Cursor; Rising/Falling Edge Trigger; Triggering Cursor; Triggering Sensitivity Cursor; Hold/Run
Inbuilt Test Signal: 10Hz~1MHz(1-2-5 stepping) Waveform Storage: build-in 2Mbyte
PC Connection Interface: Connection through USB
Recharging Method: Recharging through USB interface Dimensions:105mm x 53mm x 8mm