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Although most electronics are available with satisfactory performance in DC models, televisions are a different matter. Miniature TVs are available in DC but larger ones are all AC. There are many different technical specifications between TVs but the goal for you and your guests is simply the experience of picture quality or what is called presence. <ref>http://www.wilcoxlab.yorku.ca/PresencePapers/Lombardetal2000.pdf</ref> The most important aspects of picture quality are:<ref>Imaging Science, http://www.imagingscience.com/</ref>