The VX400 All-in-One Controller by NovaStar integrates video processing and control in a single unit. It features 4 Gigabit Ethernet ports supporting up to 2.6 million pixels (max width 10,240px, height 8,192px). The device accepts HDMI 1.3, DVI, 3G-SDI, and optical fiber inputs, with outputs including Ethernet, fiber, and HDMI for monitoring. Key features include stepless output scaling, low latency (20 lines when enabled), pixel-level brightness and chroma calibration, 2 adjustable layers, and multiple backup options. With working modes including Video Controller, Fiber Converter, and Bypass, it supports mosaic input sources and up to 4-unit image cascading. Compatible with NovaLCT and V-Can software, it's ideal for medium/high-end rental, stage control, and fine-pitch LED applications.