Portable Size: 98mm(L)x58mm(W)x32mm(H). In the Box: (1)DC 5V To connect PC USB port or DC 5V external power supply (2)switch Video system PAL/NTSC switch (3)Video Out To connect Composite Video display (4)S-Video Out To connect S-Video display (5)VGA Out To connect PC monitor LCD (6)VGA In To connect PC Host FAQ 1.No VGA Output is displayed. Please check power supply and all cables are rightly connected. 2.No Composite Video or S-Video output. Please check the RCA cable and s-video cable is in good condition and rightly connected; and the composite video or s-video display devices are switched to the right mode. 3.VGA output picture is not good. It may be caused by insufficient power from USB port. Please try to connect a DC 5V external power supply. Or you can try to change PC resolution and refresh rate.