The box: 1-foot vga monitor y splitter adapter cable with 1 male connector and 2 female sockets (5-pack); black
convenient: transmits identical vga signal to 2 separate displays; requires vga cables (not included)
video resolution: supports 800x600 (svga), 1024x768 (xga), 1600x1200 (uxga), 2560x1600, and 1080p resolutions
compatibility: works with mac and windows
note: transmits video only (not audio); passive cables duplicate the pc screen to monitor only, does not support screen extension or two different displays