iKKEGOL 2 Port VGA Audio Video Switch 2x1 SVGA Switcher Box 2 IN 1 OUT PC Monitor LCD TFT Sharing Compact size and lightweight for convenient carrying Two press buttons for easy switching. It is suitable for where monitoring different areas of a building is required and switching between multiple inputs is a necessity. Automatically detects the DDC signal of the display device. No external power needed. 2 Port VGA Video + Audio Switch for two PC to share one monitor and speaker system.