HD TECHNOLOGY & RESOLUTION - 3840 x 2160 Pixels, SMART TV - Yes, PANEL TYPE - A Grade, CONTRAST RATIO - 5000:1 (TYPICAL) VIEW ANGLE -178 Degree (H) X 178 Degree (V), REFRESH RATE - 60 Hz,SUPPORTED AUDIO FORMATS - AAC,DOLBY AC-4,WMA.AMR-N8,AMR-WB, SOUND TECHNOLOGY - BG/DK/I/M, SURROUND SOUND - Yes, SPEAKER POWER OUTPUT (RMS) - 2 x 8W (8) , THD. SUPPORTED AUDIO FORMATS - AAC,DOLBY AC-4,WMA.AMR-N8,AMR-WB, OPERATING SYSTEM - WebOS 2.0, VOLTAGE REQUIREMENT - 110V - 240V, 50/ 60 Hz,POWER CONSUMPTION (MAX) - 115 Watts, POWER CONSUMPTION (STAND-BY) - Less Than 0.5W BUILT IN WI-FI - Yes (IEEE 802.11a/b/g/n/ac), BLUETOOTH - Yes (BT5.0+HS, BLE), SIZE WITHOUT STAND (W X D X H) - 123 x 9 x 71.5 cm, WEIGHT WITHOUT STAND - 11 Kg