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 EIZO FlexScan S2133, 53,3 cm (21"), 1600 x 1200 Pixel EIZO FlexScan S2133. Bildschirmdiagonale: 53,3 cm (21"), Display-Auflösung: 1600 x 1200 Pixel, Native aspect ratio: 4:3