NovaStar LED Screen Controller, Model MCTRL300. [1] • Function: This device is used to send video signals and control LED display screens. • Technical Specifications: Operates on an electrical voltage ranging from 100-240V with a frequency of 50/60Hz. • Certifications: The device is certified by CE, RoHS, and FCC, indicating its compliance with safety and quality standards. [1, 2] Product Description: LED screen accessory for Nova NovaStar full-color sending card MSD300 for Nova LED screen MSD300 Features 1) 1 DVI input. 2) External audio input. 3) 2 RJ45 for data output, supports quick backup. 4) USB control interface, supports cascading. 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 with cables