Key Features:[list][*]Color: Black[*]Wireless technology: Wi-Fi[*]Screen Size (diag.): 49.5"[*]Display Type: LED[*]Refresh Rate: 60 Hz[*]Smart Platform: Yes[*]Resolution: 3840 x 2160p[*]Aspect Ratio: 16:9[*]Contrast Ratio: 5000:1[*]Response Time: 8 ms[*]Built-In Wi-Fi & Ethernet Connectivity[*]Roku TV OS[*]USB Multimedia Player[*]Dimensions: 48.7 x 9.8 x 29.3 in