This Marshall V-R44P Quad 4-inch Rack Mount Monitor system offers a professional and customizable solution for video production and editing. With four 4-inch LCD monitors, this system provides clear and crisp images in NTSC or PAL formats, and a screen brightness of 300. It has an output of 4 loop-outs, with BNC output interfaces, and 4 BNC input interfaces. The quad LCD system is rack-mountable and has a compatible mount, making it easy to integrate into any production setup. It also features a built-in LCD monitor, image control, and connectivity options for composite input. This product is from the renowned Marshall product line and comes with a 1-month manufacturer warranty.