P2.976 Outdoor LED Billboard Die Casting Aluminum Cabinet NovaStar Control System 4500nit P2.976 Outdoor LED Billboard with Die Casting Aluminum Cabinet and NovaStar Control System This P2.976 outdoor LED billboard is built on a precision die casting aluminum cabinet that guarantees high flatness, excellent tolerance control and long-term structural stability. Fully compatible with the NovaStar control system, it delivers stable signal processing and vivid color reproduction.