Features: 100% Brand new and high quality! This kit uses for ARM Cortex-M3 processor (for STM32F103C8) and includes a 2.4-inch color TFT display screen can be used as for ARM test development board. Can be secondary development on the basis of this kit for example it can be changed to Millivoltmeter data loggers. Adjustable vertical displacement and with instructions. With automatic regular and one-shot modes easy to capture the moment waveform. Available rising or falling edge trigger. Detailed assembly instructions are provided in combination with troubleshooting guide and schematc. Source codes are also available to allow user to add their own features. This kits has all for SMD parts pre-soldered. The MCU has been pre-programmed and no re-programming required. It is partially open-sourced. This opens the possibility for users to add different features or develop new applications on the hardware. 9V DC power supply required.With Charger. For Waveform frozen (HOLD) function available. Built-in 1KHz/3.3V test signal. Specifications: Color: Red For Analog bandwidth: 0 - 200KHz Sampling rate: 1Msps max Sensitivity: 10mV/Div - 5V/Div Sensitivity error: < 5% Vertical resolution: 12-bit Timebase: 10us/Div - 500s/Div Record length: 1024 points Package includes: 1 x Digital Oscilloscope Kit 1 x Charge(US plug) 1 x Cable Note: This is a DIY kit need to have some basic electronic activity and ability because of different levels of ability and technical we can not guarantee that everyone can DIY success but we are committed to do our best of after-sales service.