Product Description Features: High Precision Voltage Meter: Experience reliable voltage measurements with an impressive ±1% accuracy, essential for precise diagnostics in your electronic projects. Versatile Resistance Measurement: Effortlessly measure resistance across a wide range, making this tool perfect for everything from professional electronic repairs to hobbyist endeavors. Efficient Diode Testing: Conduct diode tests swiftly and accurately, ensuring components function correctly and facilitate efficient troubleshooting. Advanced Oscilloscope Testing: With a 2MSa/s sampling rate and 400KHz bandwidth, this multifunctional pen allows you to capture and analyze waveforms with ease. Compact and Portable Design: This pen-sized tool integrates multiple functions, ideal for technicians and engineers who require a dependable, portable solution. Specifications: Oscilloscope Frequency Measure Accuracy: ±1% Max One-key AUTO display waveform Sampling Rate: 2MSa/s Bandwidth: 400KHz Storage Depth: 4Kbit Trigger Mode: Auto Trigger Edge: Falling Edge Coupling Mode: DC Maximum Test Voltage: 24V Vertical Sensitivity: 50 mV/div~10 V/div Horizontal Time Base Range: 10µs/div~200ms/div Package Included: 1 x Four-in-One Multifunctional Pen