High-Performance & Portable: 250kHz bandwidth + 2.5MS/s real-time sampling, captures analog/digital signals accurately. Ultra-light 100g, 103x73x25mm size, perfect for fieldwork! One-Touch AUTO Measurement: Press AUTO to instantly analyze waveforms. ±40V range (up to ±400V with x10 probe), no manual adjustment needed! Crisp Display & Long Battery Crisp Display & Long Battery: 2.8-inch 320x240 LCD with AC/DC coupling. 400mAh battery supports 3 hours of continuous use! Safe & Advanced Trigger: AUTO/Single/Normal trigger modes, 1kHz calibration output. Charges via USB 5V/1A, meets safety standards! Complete Package: Includes host, BNC probe (x1/x10 switchable), USB cable, manual. Ideal for repair/education/hobbyists! 6 Key Applications & Functions 1. ️ Circuit Repair & Diagnostics Quickly troubleshoot faults with ±40V measurement range, ideal for testing resistors, capacitors, and signal generators. 2. Education & Lab Training Teach waveform fundamentals using the built-in 1kHz calibration signal, perfect for STEM and electronics labs. 3. Embedded System Debugging Capture and analyze digital signals (UART, SPI, I2C) with 2.5MS/s real-time sampling for MCU projects. 4. ⚡ Power Supply Testing Measure AC/DC ripple & noise precisely using AC coupling mode to filter out DC components. 5. Automotive Electronics Diagnose vehicle sensors & CAN bus signals - lightweight and portable for garage use. 6. DIY Electronics Projects Debug Arduino/Raspberry Pi circuits effortlessly with one-press AUTO waveform capture. Color: Orange Material: plastic Package Contents: 1*Handheld Digital Oscilloscope