The shipping weight gives you the information about the all package weight.
Samsung F4000 19": 3.7kg
16. has stereo speakers
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
90% have it
LG OLED65W7P 65": 3.81mm
18. has USB mass storage support
It can transfer files, music, photos via USB, no need to install additional software.
65% have it
19. audio input ports
More audio input ports mean that more audio devices such as microphones and keyboards can be connected at once.
Bang & Olufsen BeoVision 11 46": 12
Samsung F4000 19": 281.9mm
21. component ports
The more component ports a device has, the more devices can be simultaneously connected, such as video game consoles and set-top boxes.
LG 32LK450: 3
22. audio output power
Audio output power is based on the number of speakers and their power in watts. High audio output power results in loud, clear sounds.
2 x 2.5W
LG 84UB9800: 5 x 120W
23. 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.
Samsung KS8500 55": 7150:1
Luminance is the intensity of light that a device emits.
Samsung Q9F 65": 1800cd/m²
25. response time
Response time is how long it takes for a display to change the state of pixels, in order to show new content. The less time it takes to respond, the less likely it is to blur fast-changing images.