... inchesOut dimensions (L x H x T): 1024 x 578 x 115 mmView area (L x H): 1018.08x572.67mmResolution: 1,920 x 1,080 pixelsContrast ratio: 3 ... free software;6,Support RS-232 serial ports remote control;7,Support multi signal input include BNC, YPbPr,VGA,HDMI,RS232 ... it with a new one; 13. Accessories:1 in 4 out VGA distributor 1,RS232 Convertor,RJ45 Convertor,VGA cable,RJ 45 ...