Products you can control through Echo and Alexa-enabled Devices. Y F 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. F Samsung Q64C GQ65Q64CAUXZG, 65", 3840 x 2160 pixels, QLED, Smart TV, Wi-Fi, Gray Samsung Q64C GQ65Q64CAUXZG. Display diagonal: 65", Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: QLED, Screen shape: Flat, LED backlighting type: Dual LED. Smart TV. Motion interpolation technology: Motion Xcelerator, Response time: 8 ms, Native aspect ratio: 16:9. Digital signal format system: DVB, DVB-C, DVB-S2, DVB-T2. Wi-Fi, Ethernet LAN. Product color: Gray