Blackmagic Design SmartScope Duo 4K Rack-Mounted Dual 6G-SDI MonitorsSmartScope Duo 4K looks like a SmartView Duo but adds independent waveform monitoring so you can select between waveform, vectorscope, RGB parade, YUV parade, histogram and audio phase level displays. Each monitor is independent so can display any combination of scope or picture view! Monitoring anywhere you need it SmartScope Duo 4K adds independent waveform monitoring and you can select between waveform, vectorscope, RGB parade, YUV parade,