The Hantek-6254BD is a 4-channel, 250MHz usb oscilloscope & function/Arbitrary waveform generator.
It has 4 independent, non-isolated analogue channels with a 1GSa/s real-time sampling rate and 2mV-10V/div input sensitivity The bandwidth of each channel is 250MHz bandwidth. An Arbitrary Waveform Generator is also built-in, making it ideal as a complete laboratory test instrument. It is powered by USB2.0 Interface as a plug and play device with small size, making it ideal for carrying about. The instrument offers excellent value, high-performance, a pass/fail test, resourceful trigger function, dynamic cursor tracking, waveform recording and replay functions.