Features: Experience professional-grade measurements in the palm- of your hand with the DS211 pocket oscilloscope kit. Hardware maintenance or software-debugging RS232, RS485, I2C, CAN and other communication interface circuits, LED display and keyboard- scanning- drive circuit, brushless motor drive circuit With a single channel and analog- bandwidth of 0-200KHz, this digital oscilloscope boasts a maximum- sampling rate of 1MSa/-s and an 8K sampling storage depth. Designed for engineers, hobbyists, and students who require portable and accurate waveform analysis. Trigger mode: rising-/falling edge trigger, trigger cursor, trigger sensitivity cursorAutomatic measurement: Frequency, Duty, Vpp, Vrms, Vavg, Vmax-, Vmin, vertical precision- measurement vernier-, horizontal precision- measurement vernier-. Specifications: Type: Digital Oscilloscope Model: DS211 Number of channels: single channel Analog- bandwidth: 0-200KHz Maximum-sampling rate: 1MSa/-s Sampling storage depth: 8K Lateral sensitivity: 1uS/Div~2S/Div (1-2 to 5steps) Vertical sensitivity: 20mV/Div~10V/Div (x1 probe-) 0.2V/Div~100V/Div (x10probe) Input impedance: less than 500KΩ Maximum- input voltage: 40Vpp (x1probe) Coupling method: AC-/DC- Sync- mode: Auto, Normal, Single, Scan Trigger mode: rising-/falling edge trigger, trigger cursor, trigger sensitivity cursor Signal source: 10Hz~1MHz (1-2 to 5steps) Waveform storage: 8MB Flash Display color: 65K Battery capacity: 500mAH Display resolution: 320×two hundred and forty PC-connection interface: connected via USB Charging method: Charging through USB port Display: 2.8'' color TFT LCD Size: approx 106mm×55.5mm×11mm/4.19x2.19x0.45in Package Includes: 1 Set DS211 Digital Oscilloscope note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.