Check the listing for details. Novastar MCTRL300 Sending box Nova synchronous controller for led display. Color: Full color, Condition: New. Listed at 259.00 USD. Product Description Input resolution: up to 1280 x 1024, 1024 x 1200, 1600 x 848, 1920 x 712, 2048 x 668 (wide, highly customizable) Load capacity: 1.3 million pixels Power supply voltage: AC-100-240V-50/60HZ Control mode: USB interface control Video interface: DVI Audio Interface: 3.5mm Audio Interface Video format: RGB Output Interface: Double Network Port Video Source Depth: 8bit Optical probe: 1 way Certification: CE, RoHS Quick Details Controller MCTRL300 is the basic controller of Nova Science and Technology. It has the same characteristics as sending card MSD300. It has the following characteristics: 1) DVI video input along the way; 2) One-way audio input; 3) Dual-port output; 4) USB interface control, which can be cascaded for unified control. 5) Single sending card supports resolution 1280 *1024, 1024 *1200, 1600 *848, 1920 *712, 2048 *668; 6) One-way optical probe interface; 7) Independent power supply; 8) Cascade with USB cable of aerial head;