Features: 【3-in-1 Multifunctional Instrument】Oscilloscope – Dual-channel input, 200MHz bandwidth, 1GSa/s sampling rate. Multimeter – True RMS, 20,000 counts, auto-ranging, capable of testing voltage/current/resistance/diode/capacitance/continuity. Waveform Generator – Outputs sine waves, square waves, ramp waves, pulse waves, and arbitrary waveforms; single-channel, 125MSa/s sampling rate, 8k waveform length. 【Digital LCD Display】3.5-inch high-resolution, high-contrast color LCD display, clearly readable even in dark environments. Supports self-calibration. Supports SCPI. 【Rechargeable, PC Software Support】Built-in 5200mAh lithium battery, providing approximately 4 hours of battery life. Low power consumption, energy-saving and environmentally friendly. Uses a Type-C USB interface, comes with a USB data cable and power adapter for convenient and fast charging, and supports PC software connectivity.