Hantek DSO4254C Digital Storage Oscilloscope 4 Channels 250Mhz LCD PC Portable USB Oscilloscopes +EXT+DVM+Auto vary operate Feature:1 4CH oscilloscope+EXT+AFG+DVM+auto differ operate 80-250MHz bandwidth,minimum vary 500μV /div,1GS/s sample charge Over 32 forms of auto measurement operate Advanced electronic set off system, high trigger sensitivity 5 Over 14 forms of trigger function: edge, overtime, pulse, pattern, interval, and many others Serial bus triggering and decode, Bus protocol news can be quickly and intuitively displayed in table kind Function/arbitrary signal generator25MHz,12BitS resolution, 200MHz DDS, ARB/square wave/sine wave/triangular wave/trapezoidal wave/impulse wave/DC etc,easy to simulate the sensor Integrated USB Host/Device, convenient to communicate with PC Support U- stick storage/systerm update Support a wide range of SCPI handheld remote control command Support optional RS232 port, LAN port (Optional)11 Stable and dependable quality, durable and durable