This versatile device seamlessly combines the functions of a digital oscilloscope, transistor tester, and signal generator into one compact unit. With a real-time sampling rate of 10MS/s and a bandwidth of 500Khz, it can measure voltage signals up to 400V. Equipped with a comprehensive trigger function (automatic, single, regular) and an efficient AUTO button, it simplifies waveform display without complex adjustments. It automatically identifies and measures a variety of transistors and detects pin definitions, while also offering six types of signal waveform detection and a circuit continuity test function. Key Features: 3-in-1 Function: Combines the capabilities of a digital oscilloscope, transistor tester, and signal generator. Digital Oscilloscope: Offers a real-time sampling rate of 10MS/s, a 500Khz bandwidth, and can measure voltage signals up to 400V. Features complete trigger options and an AUTO button for simplified waveform display. Transistor Tester: Automatically identifies and measures various transistors and passive components, including the detection of NPN and PNP triodes, FETs, diodes, and more, with automatic pin definition detection. Signal Generator: Provides six waveform types (sine, square, pulse, triangle, ramp, direct current) with adjustable frequency (1-100KHz), voltage (3.3V), and duty ratio (0-100%). Tool Box Function: Includes protocol infrared code analysis, circuit continuity test, voltage measurement up to 40V, measurement of diodes, and temperature and humidity sensors. Compact and Portable: Lightweight design makes it ideal for on-the-go use and on-site debugging. Durable Design: Made with ABS antidrop housing and an antislip design. Features high elasticity keys, a straightforward interface, and easy operation. High-Quality Display: 2.4-inch TFT color screen with LED backlight, offering bright colors and high contrast for easy viewing, even in well-lit environments. High Accuracy: Infrared decoding for quick response and precise signal measurements with minimal error. Extended Battery Life: Powered by a 1500mAh rechargeable lithium battery, with a Type-C interface for continuous power supply, ensuring safer use. Folding Bracket: Built-in invisible bracket offers stable placement and hands-free operation, conserving space. Wide Range of Applications: Ideal for MCU debugging, car and home appliance repairs, DIY electronic competitions, power-supply debugging, and more. Specifications: Name: 3-in-1 Digital Oscilloscope Material: ABS Type: Standard or High Configuration (optional) Display: 2.4-inch TFT color screen Battery: Built-in 1500mAh rechargeable lithium battery (included) Charging Interface: USB Type-C, +5V Oscilloscope Specifications: 10MSa/s Real-time Sample Rate 500Khz Analog Bandwidth Input Resistance: Alternating/Direct Current Coupling Method: 400V Test Voltage Ranges: 10mV-10V Vertical Sensitivity (x1): 1us-10s Trigger Modes: Auto / Normal / Single Trigger Types: Rising/Falling Edges Waveform Freeze: Yes Automatic Measurement: Yes Transistor Tester Capabilities: Capacitor: 25pF~100mF Resistor: 0.01Ω ~ 50ΜΩ Inductor: 10uH~1000uH Battery: 0.1~4.5V Input Voltage: 0~40V Temperature Sensors: DS18B20 (0-85℃), DHT1 (0-60°C / 5-95% Humidity) Signal Generator Features: Sinewave: 1-10KHz / 0-3.3V / 50% Squarewave: 1-100KHz / 3.3V / 50% Pulsewave: 1-100KHz / 3.3V / 0-100% Trianglewave: 1-10KHz / 0-3.3V / 50% Ramp: 1-10KHz / 0-3.3V / 0-100% Direct Current: 0-3.3V Product Dimensions: Item Size: 110 x 76 x 30mm / 4.33 x 2.99 x 1.18in Package Size: 140 x 125 x 55mm / 5.51 x 4.92 x 2.17in Package Weight: Standard: 300g / 10.58oz, High: 345g / 12.17oz Packing List: Standard Configuration: 1 x 3-in-1 Digital Oscilloscope 3 x Test Hook 1 x Probe 1 x Type-C Cable 1 x Manual High Configuration: 1 x 3-in-1 Digital Oscilloscope 1 x Adaptor 1 x Probe 1 x High Pressure Probe 3 x Test Hook 1 x Type-C Cable 1 x Manual