Characteristics of indicators: Maximum real-time sampling rate: 1Msps; Accuracy: 12Bit; Sampling buffer depth: 1024 bytes; Analog bandwidth: 0 - 200KHz; Vertical Sensitivity: 10mV / Div - 5V / Div (1-2-5 progressive manner); Adjustable vertical displacement, and with instructions; Input impedance: 1M; Maximum input voltage: 50Vpp (1: 1 probe), 400Vpp (10: 1 probe); Coupling modes: DC / AC / GND; The horizontal time base range: 10s / Div - 50s / Div (1-2-5 progressive manner); With automatic, regular and one-shot mode, easy to capture the moment waveform; Available rising or falling edge trigger; Adjustable trigger level position, and with instructions; Observable previous trigger waveform (negative delay); Can freeze at any time waveform display (HOLD function); Comes 1Hz /3.3V square wave test signal source.