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 BenQ EX240, 60.5 cm (23.8"), 1920 x 1080 pixels, LCD, 1 ms, Grey BenQ EX240. Display diagonal: 60.5 cm (23.8"), Display resolution: 1920 x 1080 pixels, Display technology: LCD, Display surface: Matt, Response time: 1 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). Built-in USB hub. VESA mounting, Height adjustment. Product colour: Grey https://monitornerds.com/benq-mobiuz-ex240-review/ on AmazonThe BenQ Mobiuz EX240 is the latest budget gaming monitor for those who want to build a solid E-Sports or beginner setup. BenQ isn't new in the competitive gaming market, and so far, all of their releases have been more or less on point. The... Excellent Design and Price, Fast and Responsive, Affordable, FreeSync and G-Sync Compatible, Poor Color Accuracy, Limited HDR and Contrast The BenQ Mobiuz EX240 is an excellent choice if you want an inexpensive gaming monitor that will not disappoint. It's not color-accurate out of the box, but it has accurate presets and superb gaming performance. We like its build quality and design, so th...