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 Trevi LTV 2410 SMART, 24", 1366 x 768 pixels, LED, Smart TV, Wi-Fi, Black Trevi LTV 2410 SMART. Display diagonal: 24", Display resolution: 1366 x 768 pixels, HD type: Full HD, Display technology: LED, Screen shape: Flat. Smart TV. Native aspect ratio: 16:9. Digital signal format system: DVB-S2, DVB-T2. Wi-Fi, Ethernet LAN. Product color: Black