1. Resin composite materials and metals Schulman.2. This design multiple eyibeuyi (AV : audio visual) Devices (video, DVD, camcorder, game console, etc.) 1 eyibeuyi (AV : audio visual) output device (TV, PDP, projection TV), or the selection as opposed to an output of the eyibeuyi (AV : audio visual) devices in the multi - Eyibeuyi of the (AV : audio visual) output devices will be configured so that you can select the output.3. This design push (PUSH) switch that way, the quality of equipment compatibility.4. Eyibeuyi the design of the home (AV : audio visual) devices (DVD, set-top BOX, game consoles, camcorders, etc.) connection To reconnect every time, without subtracting at the line to the easy-to-use selection switch and Exhibition Center, eyibeuyi (AV : audio visual) products in a retail store, The Situation Room, Education, and various conference rooms will be available.