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 NEC E243F, 61 cm (24"), 1920 x 1080 pixels NEC E243F. قطر صفحه نمایش: 61 cm (24"), رزولوشن صفحه نمایش: 1920 x 1080 pixels, Native aspect ratio: 16:9