The Owon VDS1022 USB Oscilloscope 2+1 Channel 25 MHz 100 MS/s is a portable oscilloscope that can connect directly with PCs through USB. It accommodates users with 25 MHz bandwidth, 100MSa/s real-time sample rate, and multiple trigger modes - edge, video, slope, pulse, and alternate. The VDS1022's USB powering facilitates mobile tests under powerless conditions.