E means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. E Viewsonic VS18464, 61 cm (24"), 1920 x 1080 pixel Viewsonic VS18464. Skærm diagonal: 61 cm (24"), Skærmopløsning: 1920 x 1080 pixel, Naturligt aspektforhold: 16:9