How much power the device consumes when it's switched on.
JVC DLA-X30: 0.8W
16. lamp life
This shows the lifespan of the light source. Beamers need to have their lamps (light source) replaced every now and then.
Vivitek Qumi Q7: 30000h
17. USB ports
With more USB ports, you are able to connect more devices.
Optoma UHD51A: 4
18. 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
19. 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
20. has a 24p cinema mode
24p is a video format (24 frames per second) traditionally used in cinema. Nowadays, it is used to create film-like motion characteristics.