Four-in-One Multifunctional Pen Four-in-One Multifunctional Pen Features: High Precision Voltage Meter: Experience accurate voltage measurements with an impressive ±1% accuracy, ensuring precise diagnostics for your electronic projects. Versatile Resistance Measurement: Easily measure resistance across a wide range, making it ideal for various applications from professional electronic repairs to hobbyist projects. Efficient Diode Testing: Simplify diode testing with quick and accurate assessments, ensuring proper functionality and efficient troubleshooting. Advanced Oscilloscope Testing: With a sampling rate of 2MSa/s and 400KHz bandwidth, this pen offers advanced oscilloscope testing to capture and analyze waveforms effortlessly. Compact and Portable Design: Combining multiple functions in one pen-sized tool, it's perfect for on-the-go technicians and engineers who need reliability in a portable package. 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: 10us/div~200ms/div Package Included: 1 x Four-in-One Multifunctional Pen