Main Features: 3 In 1 Function: This product integrates digital oscilloscope, transistor tester and signal generator functions into one machine. Digital Oscilloscope Function: With the real-time sampling rate of 10MS/s and bandwidth of 500Khz. Support maximum measurement of 400V voltage signal. With complete trigger function (automatic, single, regular). Equipped with an efficient button AUTO. Transistor Tester Function: Automatically identify and measure various transistors, including NPN and PNP triode, N-channel and P-channel metal oxide-semiconductor field effect transistor, JFET, diodes, double diodes, thyristors,as well as resistors, inductors, capacitors, field-effect transistor, etc. passive component. Auto-detect pin definitions. Signal Generator Function: 6 kinds of signal waveforms: siave, pulsewave, trianglewave, rampwave, direct current. 1-100KHz adjustable output frequency. 3.3V adjustable output voltage. 0- adjustable output duty ratio. Tool Box Function: Automatically analyze specific Protocol infrared code. Other function modes: including circuit continuity test, 0-40V input voltage measurement, PWM output, 0-32V diode measurement, temperature and humidity sensors measurement, etc. 2.4inch Digital TFT Display: TFT color screen, high resolution display with LED backlight, with bright colors and high contrast. High Accuracy: Infrared decoding design, quick response, accurate capture of highly sensitive response signal, fast and accurate measurement with small error. Rich and Powerful Features: One button for automatic adjustment, support for free switch, support intelligent fire preventions. Long Endurance: Built-in 1500mAh high-capacity rechargeable polymer lithium battery, long lasting lifespan, Type-C interface, continuous power supplys without isolation transformer, safer to use. Folding Bracket: Comes with invisible bracket, integrated folding, stable placement, free your hands, does not occupy too much space. Wide Applications: Suitable for mcu debugging, car repairing, home appliance repairing, DIY electronic competition, power-supply debugging, inverter, etc.