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 Hisense 65U7SE, 65", 3840 x 2160 pixels, ULED, Smart TV, Wi-Fi, Black, Gray Hisense 65U7SE. Display diagonal: 65", Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: ULED, Screen shape: Flat, LED backlighting type: Direct-LED. Smart TV. Display brightness: 1400 cd/m², Response time: 8 ms, Native aspect ratio: 16:9. Digital signal format system: DVB-T2, DVB-T, DVB-C, DVB-S2, DVB-S. Wi-Fi, Ethernet LAN. Product color: Black, Gray