Product Description: LED Screen Accessory for NovaStar MSD300 Full Color Sending Card for Nova LED Screen MSD300 Features 1) 1 DVI input. 2) External audio input. 3) 2 RJ45 for data output, support fast backup. 4) USB control interface, support cascade. 5) Capacity: 1.3 million pixels. 6) Supported resolutions: 1280×1024, 1024×1200, 1600×848, 1920×712, 2048×668, or custom. 7) 1 light sensor interface for automatic brightness adjustment. 8) Usage: Full color RGB LED screen controller for indoor and outdoor use