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 iggual ML49C, 124,5 cm (49"), 5120 x 1440 pixels, UltraWide 5K HD, LED, 1 ms, Black iggual ML49C. Display diagonal: 124,5 cm (49"), Display resolution: 5120 x 1440 pixels, HD type: UltraWide 5K HD, Display technology: LED, Response time: 1 ms, Native aspect ratio: 32:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). VESA mounting, Height adjustment. Product colour: Black