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 Grundig 55 VLE 9372 BL, 139.7 cm (55"), 1920 x 1080 pixels, 3D, Smart TV, Wi-Fi, Black Grundig 55 VLE 9372 BL. Display diagonal: 139.7 cm (55"), Display resolution: 1920 x 1080 pixels, HD type: Full HD, Display technology: LED, Screen shape: Flat. 3D. Smart TV. Motion interpolation technology: PPR (Picture Perfection Rate) 400 Hz, Native aspect ratio: 16:9. Digital signal format system: DVB-C, DVB-T. Wi-Fi, Ethernet LAN. Product colour: Black