DISPLAY
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Type4K UHD
Screen Size55
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Resolution3840 x 2160
Motion / Refresh RateRefresh Rate 50Hz
PLATFORM
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BLU TypeDirect
**Main Processor (SoC)**Quad Core Processor 4K(LM21A)
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**Operating System (OS)**webOS Smart TV
Number of CPUsQuad
VIDEO AND PICTURE QUALITY
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AI Upscaling4K Upscaling
Image EnhancingImage Enhancing
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AI Brightness ControlYes
HDRActive HDR
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HDR10 ProYes (4K/2K)
HLGYes (4K/2K)
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FILMMAKER MODE™Yes
**Dynamic Tone Mapping / Pro(+ AI HDR Tone Mapping)**HDR Dynamic Tone Mapping
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Dimming AlgorithmLG Local Contrast
Upscaler4K Upscaler
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HEVC4K@60p, 10bit
**VP9 (Video Decoder)**4K@60p, 10bit
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**AV1 (Video Decoder)**4K@60p, 10bit
HGIG ModeYes
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**Instant Game Response (ALLM)**Yes
Picture ModeYes 9 modes(Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, (ISF)Expert(Bright Room), (ISF)Expert(Dark Room))
AUDIO AND SOUND QUALITY
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**Speaker (Sound Output)**20W(10W per Channel)
Channel2.0ch
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DirectionDown Firing
Simultaneous Audio OutputYes (Optical Output or HP Support Model)
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AI Sound / ProAI Sound
AI Acoustic TuningYes
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Surround mode => 21Y Spec OutUltra Surround
Clear VoiceClear Voice III
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Bluetooth Surround ReadyYes
LG Sound SyncYes
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Sound ShareYes
Audio CodecAC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (Refer to manual)
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Sound Mode SyncYes
Sound AliveYes
AI SMART FUNCTION
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ThinQYes
Intelligent Voice RecognitionYes
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Speech to TextYes
LG Voice SearchYes
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AI UXYes
AI HomeYes
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AI RecommendationYes
Intelligent EditYes
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Home DashboardYes
Apple HomekitYes
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Mobile ConnectivityYes
Screen ShareYes
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ThinQ AppYes
Airplay2Yes
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**Next Picks (AI Channel)**Yes
**Magic Explorer(AI Link)**Yes
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Magic Remote ControlBuilt-In
Quick AccessYes
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Universal ControlYes
360° VR PlayYes
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Related Content SearchYes
LG StoreYes
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DIALYes
Web BrowserYes
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Music Player -> Media PlayerYes
TV On With MobileYes
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Wi-Fi TV OnYes
Bluetooth Low Energy OnYes
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Network File BrowserYes
Block access to harmful siteYes
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Hotel ModeYes
Sports AlertYes
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Music DiscoveryYes
BROADCASTING
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**Digital TV Reception(Terrestrial,Cable,Satellite)**Yes
TerrestrialDVB-T2
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CableDVB-C
SatelliteDVB-S2
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Analog TV ReceptionYes
Teletext PageYes
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**Teletext (Top/Flof/List)**Yes
[DVB] SubtitleYes
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**AD (Audio Description)**Yes
**EPG (8days)**Yes
CONNECTIVITY
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HDMI2 (Side)
VersionHDMI 2.0
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**Simplink (HDMI CEC)**Yes
**eARC / ARC (Audio Return Channel)**eARC (HDMI 2)
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USB1 (Side)
LANYes (Rear)
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RF In2 (Rear, RF/Sat)
**SPDIF (Optical Digital Audio Out)**Yes (Rear)
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WifiYes (802.11ac)
BluetoothYes (V5.0)
POWER & GREEN
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Power SupplyAC 100~240V 50-60Hz
Standby Power ConsumptionUnder 0.5W
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Energy saving ModeYes
Illuminance Green sensorYes
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Energy StandardYes
ACCESSORY
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RemoteMR21 or L-con
BattereisYes (MR21 : AA x 2EA / L-Con : AAA x 2EA)
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Power CableYes (Detached)
ADDITIONAL FEATURE
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**Time Machine (DVR)**Yes
Digital RecordingYes
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Analog DVRYes
Time ShiftYes
