The maximum size of image that a device can project without compromising quality.
InFocus IN5544: 603"
16. 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.
1 x 2W
Optoma EH501: 2 x 15W
Celluon PicoPro: 147.48cm³
18. USB ports
With more USB ports, you are able to connect more devices.
Optoma UHD51A: 4
19. refresh rate
The frequency at which the screen is refreshed. Higher frequency results in less flickering (less noise) and more natural movement representation in action-intense scenes.
Panasonic PT-AE7000U: 480Hz
20. has manual focus
This allows to manually set the focus.
71% have it
21. has a HDMI output
Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.
83% have it
22. displays 3D
The device can display 3D images without the need for wearing special glasses. The display's special construction allows viewers to get a sense of an image's depth by tailoring its position to fit the user's perspective.
20% have it
23. power consumption operation
How much power the device consumes when it's switched on.
JVC DLA-X30: 0.8W
24. 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.
BenQ MS504: 6
25. lamp life
This shows the lifespan of the light source. Beamers need to have their lamps (light source) replaced every now and then.