DS211 is an update style of DSO201, a pocket size digital storage oscilloscope fulfills basic electronic engineering requirements. It is equipped with 320*240 color display, Weighs only 65g! Portable Digital Oscilloscope DIY Kit provides waveform viewing. Product Specification : MCU: STM32F103VC ADC: MCU internal ADC Number of channels: 1 Analog channel + 1 internal channel Analog bandwidth: 200KHz The maximum sampling rate: 1MSa/s Maximum storage depth: 8K Horizontal scanning speed: 1uS / Div ~ 2S / Div (1-2-5 step) Vertical Sensitivity: 20mv / Div ~ 10V / Div (1-2-5 step) Input impedance: 1M�© Coupling: DC / AC Trigger mode: Rising / falling edge trigger Auto adjustment mode: AUTO_FIT Operation waveform: -A, RecA, A + RecA Signal output: Square wave, sine wave, triangular wave, sawtooth wave Trigger mode: Auto, Normal, Single, None, Scan Measured values: Signal frequency / period / duty cycle, Voltage peak-to-peak value / effective value / maximum value / minimum value / average value Storage: 8MB built-in USB flash disk Can be installed 1 PC APP Operation: Press the key USB interface: Micro USB Battery: 550mAh Screen size: about 2.8 inches Screen resolution: 320*240 Size: about 106.5*55.7*11.5 mm/ 41.93*21.93*4.53 in Weight (with battery): about 65g Open source: application layer open source Certification: CE / FCC Usage : Based on STM32 do open source products. Oscilloscope and a multimeter. The good helper in measurement and maintenance work. Can be used as a good tool for STM32 series MCU programming. Packing List : 1 * DS211 host 1 * DS211 dedicated MCX probe 1 * 800mah built-in lithium battery 1 * Mini USB cable 1 * Manual 1 * Cloth velvet protective bag