Multiple Purpose: Inbuilt signal generator/10Hz-1MHz square wave (duty adjustable) or 10Hz-20KHz Sine/Square/Triangle/Sawtooth wave. Built-in 3.7V 500mAh lithium battery, adopts Micro USB interface for charging.
Powerful Performance: Modes of vertical precise, horizontal precise measurement and triggering threshold. Inbuilt 8MB U-disk storage for waveform data and images.
Synchronous mode: Auto, Normal, Single, None, Scan.Auto measurement: frequency, cycle time, duty cycle, DC RMS voltage/Vpp /Vmax/Vmin/Vavg.
Color Display: Pocket size digital storage oscilloscope meets basic electronic engineering requirements.2.8" 320*240 Colorful TFT display, mini and compact design with thumb wheel adjust key.
Simple to Use: 2-channel, 1MHz bandwidth, 1M? input impedance, 10MSa/s Max. sample rate.Rising/Falling edge trigger; adjustable high/low trigger level and triggering sensitivity. For Tutorial of DS212 You can visit https://youtu.be/7SjsA8iihPg