This 1 In 4 Out RCA AV Splitter, which adopts high quality components and advanced ircuit design technology, is autofit to enable 4 RCA output (HDTV, LCDs, projectors, etc) to share one RCA input (DVD, STB-Set Top Box)! Suitable for family, hotel, singing hall, shopping mall, school, etc. Ideal for business presentations, multi-mediam education, marketing video show, finance displays, etc.