Features With thrumbwheel adjust key Pocket sized digital storage oscilloscope meets basic electronic engineering requirements Dual trace three lines new kind of system interface capacitive convenient operation You can easily operate it with the gestures of one click double click press and slide The aluminum shell is very fashionable equipped with 320 240 color display 8M Memory card USB flash disk and chargeable Lithium batteries The thickness is about 11 mm 0 43 inch only The volume is small enough to take it anywhere It can meet the demands in many fields such as school experiments electronic repairing and electric engineering Specifications Model DS212MCU STM32F303VCADC MCU internal ADCChannels 2 analog channels 1 operation channelAnalog Bandwidth 1 MHzMax Sample Rate 10 MSa sMax Sample Memory Depth 8KHorizontal Sensitivity 1uS div to 2S div 1 2 5 step Vertical Sensitivity 20mV div to 10V div 1 2 5 step Analog Input Impedance 1 MΩCoupling DC ACTrigger Mode ascend descend edge trigger modeMath Waveforms A B A B A B RecA RecB RecCInbuilt Signal Generator sine square triangle sawtooth waveSynchronous Mode auto normal single none scan value averageStorage 8 MB flash disk memoryAPP Installed 2Operation Button Wheel buttonUSB Port Micro USBBattery 500 mAhScreen Type TFT LCDScreen Size 2 8 Screen Resolution 320 x 240Dimension 100 x 56 5 x 10 7 mmWeight with battery 90 g Open Source application layer open source P