Seeed DSO Quad-Aluminium Alloy Black Pocket Size 4 Channel 2MB USB Disk Digital Storage Oscilloscope

DSO Quad is a pocket size 4 channel digital oscilloscope for common electronic engineering tasks. It's based on ARM cortex M3 (STM32F103VCT6) 32 bits platform, providing 72MS/s sampling rate with integrated FPGA and high speed ADC. Internal 2MB USB disk could be used to store waveform, user application and upgrade firmware.
Features:
Pocket size and light weight.
Two 72MS/s analog channels, plus two digital channels.
Signal Generator.
Auto Measurement.
Various Triggering Option.
Easy waveform storage.
Firmware upgrade.
User applications.
Open source.
Specifications:
Analog Channel * 2: [CH_A]  [CH_B]
Digital Channel * 2:   [CH_C]  [CH_D]
Vertical Scale: 20mV-10V/div (x1 probe)
Vertical Solution: 8bit
Input Coupling: AC/DC
Max Input Voltage: 80Vpp (x1 probe)
Storage: 4K Per Channel
Software Trigger Type: Edge, Pulse, Level (to be added)
Hardware Trigger Type: Edge
Trigger Source: CH1/CH2/EXT
Test Signal Generator: 10Hz to 1Mhz
Storage: Internal 2MB USB Disk
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: 1kSa/s - 72MSa/S
Power: Lipo Battery
Dimension: 98 * 60 * 14.5mm /
Item Weight: 80g (Without Battery) 123g / 4.34oz
Package Size: 19.5 * 10.5 * 5cm / 7.7 * 4.13 * 1.97in (L * W * H)
Package Weight: 337g / 11.88oz
Note: 
Due to the metal conductive shell of DSO Quad, its operating voltage should be controlled under 60V during working in case of any damage to the Quad itself or human.
Package List:
1 * DSO Quad
2 * Mueller Mcx Oscilloscope Probe
2 * Digital Probe
1 * Screwdriver
1 * User Manual(English)