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I think you mean pixels. The higher the pixel count the sharper the picture. so 1080p will be sharper the 720p and 2160p is the best (4K). But on a picture this small you will not be able to tell the difference. Really only 32inch or higher should be 1080p or more depending on your budget. Hope this helps.
Sorry, there was a problem. Please try again later.Regrettably, we do not have access to documentation that lists all of the pre-loaded apps on the Model # 24LJ4840-WU, but most of the more popular apps like Netflix, YouTube, Channel Plus, Hulu, Amazon Prime Video, Google Play Movies, and VUDU can be found on the TV. Compatible apps can be downloaded from the LG Content Store (App Store). We are unsure of what you are referring to regarding the LED #. Please take a moment, at your convenience, to contact us directly via Twitter @LGUSSupport or Facebook www.Facebook.com/LGSupportUSA ^CP
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