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 Products you can control through Echo and Alexa-enabled Devices. 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 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 TCL C64 C645K, 109,2 cm (43"), 3840 x 2160 Pixeles, QLED, Smart TV, Wi-Fi, Titani TCL C64 C645K. Pantalla diagonal: 109,2 cm (43"), Resolució de pantalla: 3840 x 2160 Pixeles, Tipus HD: 4K Ultra HD, Tecnologia de visualització: QLED, Forma de la pantalla: Plana, Tipus de retroil·Luminació LED: Sistema d'il·luminació LED directe. Smart TV. Tecnologia d'interpolació de moviment: PPI (Picture Performance Index) 3100, Temps de resposta: 15 ms, Relació d'aspecte nativa: 16:9. Sistema de format de senyal digital: DVB-C, DVB-S2, DVB-T2. Wi-Fi, Ethernet / connexió LAN. Color de producte: Titani