... mount lcd monitor Peaking Focus Assist Screen Marker:80%,85%,90%,93%,96% Center Marker Aspect Ratio Setting 7" dual rack mount lcd ... monitor is a dual LCD screen display provide video monitor & audio ... surveillance. Desciption7"x 2 Pro-Broadcast Rack Mount HD monitor with HDMI in&out,AV,YPbPrModel ... 31H(mm)Unit Weight:1500g 7"Dual Rack Mount LCD Monitor