4k = Best quality, Works in 4k TV usb slots
1080p = Full HD works on most TV USB slots
540p.mp4 = DVD quality, works on most things
540p.wmv = DVD quality embeds in Microsoft PowerPoint, very efficient, generally windows only.
5-reasons-to-pick-EcoLite-4k.mp4
5-reasons-to-pick-EcoLite-1080p.mp4
5-reasons-to-pick-EcoLite-540p.mp4
5-reasons-to-pick-EcoLite-540p.wmv
5-reasons-to-pick-EcoLite-Chinese-4k.mp4
5-reasons-to-pick-Chinese-EcoLite-1080p.mp4
5-reasons-to-pick-Chinese-EcoLite-540p.mp4
5-reasons-to-pick-Chinese-EcoLite-540p.wmv
5-reasons-to-pick-EcoLite-Spanish-4k.mp4
5-reasons-to-pick-EcoLite-Spanish-1080p.mp4
5-reasons-to-pick-EcoLite-Spanish-540p.mp4
5-reasons-to-pick-EcoLite-Spanish-540p.wmv