86'' 4K Monitor. Industrial grade A+ LCD panel. Designed for surveillance, high reliability and stability. Abundant varieties of interfaces: BNC, VGA, digital interface and diversified interfaces. 4K resolution is 4 times 1080P can own broader view and more abundant details. 16.7 million color, display picture perfectly. Support horizontal and vertical display. Horizontal 178°, Vertical 178°. Dedicated project RS232 interface. Build-in loudspeaker, audio visual connection. VESA standard. Metal shell.