7" HD FPV Monitor , When VTX is not connected ,it just show static, never turn blue or black. If you are still looking for the ideal Monitor for FPV or aerophotography, FEELWORLD FW769A is your best choice. Designed specially for FPV and outdoor operation purpose. The monitor has very bright image(adjustable) and very wide power supply range(7-12V). FW769A also has a very important feature for ...