G 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. G Philips 7500 series 50PUS7505/12 Refurb Grade B, 127 cm (50"), 3840 x 2160 pixels, LED, Smart TV, Wi-Fi, Black Philips 7500 series 50PUS7505/12 Refurb Grade B. Display diagonal: 127 cm (50"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LED, Screen shape: Flat. Smart TV. Motion interpolation technology: PPI (Picture Performance Index) 1500, Native aspect ratio: 16:9. Digital signal format system: DVB-C, DVB-S, DVB-S2, DVB-T, DVB-T2, DVB-T2 HD. Wi-Fi, Ethernet LAN. Product colour: Black