Features 2 channel input with synchronous display, allowing simultaneous of two signals With interfaces compatibility, it works with oscilloscope probes for versatile measurements up to 250 kHz bandwidth Backup and historical data, including differential signals between channels Ideal for long term tracking of electrical equipment, environmental factors like temperature / humidity / light and compress waveforms for detailed analysis Delivers 1MHz sampling rate ( 2x1MHz) for accurate signals capturing Powered via USB 2.0 ( 5V / <2A), this device not requires driver for immediate use with your computer Automatically measures amplitude with 4 selectable modes and flexible triggering option Set any channel as triggering source, adjust triggering levels, and capturing signals on rising / falling edges for waveform analysis, Manufacturer: HDOYTXXM