About This 3-in-1 Oscilloscope, Multimeter, and Signal Generator — Combines a 40MHz 2-channel digital oscilloscope, a 20,000-count True RMS multimeter, and a built-in signal generator in one compact handheld device for signal analysis, electrical testing, and circuit measurement 40MHz Dual-Channel Oscilloscope for Diagnostics — Up to 250MSa/s sampling rate, 10,000 wfms/s refresh rate, and 8K record length support signal observation, dual-channel comparison, and routine troubleshooting Built-in Waveform Generator for Circuit Testing and Signal Simulation — Provides sine wave output up to 25MHz, along with square, ramp, pulse, and arbitrary waveforms for circuit testing and waveform simulation in one handheld tool True RMS Multimeter for AC/DC Electrical Testing — Measures AC/DC voltage, AC/DC current, resistance, capacitance, diode, and continuity for electronics repair, automotive diagnostics, and bench testing Portable Design, Data Save, and USB Type-C Connectivity — Built with a 3.5-inch color LCD and USB Type-C port in a compact handheld design for bench use, mobile troubleshooting, and on-site maintenance. Supports saving settings, reference waveforms, screen images, and waveform files, with PC software support
