The DLNA Certification and Logo Program is designed to ensure that DLNA Certified products have implemented the features necessary to comply with the DLNA Guidelines, and that they will in fact interoperate with other similar devices when connected to those devices in a consumer's home environment. The DLNA Certification and Logo Program enables companies to certify their products through a well-defined and rigorous process. Y Google Assistant is ready to help when and where you need it. Manage your schedule, get help with everyday tasks, control smart home devices, enjoy your entertainment, and much more. Y 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 The mandatory display of a sustainability index is established by Article 16-II of Law No. 2020-105 of February 10, 2020 relating to the fight against waste and for the circular economy, for electrical and electronic products. By displaying a score out of 10, this index informs consumers about the more or less sustainable nature of the products concerned. 7.2 TCL P61 55P61B, 55", 3840 x 2160 pixels, LED, Smart TV, Wi-Fi, Titanium TCL P61 55P61B. Display diagonal: 55", Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LED, Screen shape: Flat, LED backlighting type: Direct-LED. Smart TV. Motion interpolation technology: PPI (Picture Perfomance Index) 2400, Response time: 15 ms, Native aspect ratio: 16:9. Digital signal format system: DVB-C, DVB-S2, DVB-T2. Wi-Fi, Ethernet LAN. Product color: Titanium