Indoor LED display screens have high brightness, wide viewing angle 160 degrees, good flatness, high reliability, long life, light weight, easy installation and maintenance, etc. They are widely used for information release and advertising in different indoor places such as airports, stadiums, schools, shopping malls, stations, offices, hotels, bars, entertainment, etc. Indoor full-color LED display screens can be divided into: Inlaid indoor full-color LED display screens, wall-mounted indoor full-color LED display screens. Common equipment for indoor LED display screens: video processor, splicer, DVI distributor.