The more component ports a device has, the more devices can be simultaneously connected, such as video game consoles and set-top boxes.
BenQ MS504: 6
16. power consumption operation
How much power the device consumes when it's switched on.
JVC DLA-X30: 0.8W
17. contrast ratio
Contrast ratio is the visual distance between the lightest and the darkest colors that may be reproduced on the display. A high contrast ratio is desired, resulting in richer dark colors and more distinctive color gradation.