55-inch Digital Signage Specification Display Viewing Angle178°(H) /178°(V)Contrast Ratio5000:1Screen Size55 inchActive Display Area1209.6(H) × 680.4(V) mmBacklightDLEDPixel Pitch0.315 (H) × 0.315 (V) mmResolution3840 × 2160Brightness700 cd/m2Color Depth1.07G(8 Bits+FRC)Response Time8 msColor Gamut72% NTSCReliability7 × 24 HRefresh Rate60 HzHaze25% Built-In System Operation SystemAndroid 8.0ProcessorA73*2+A53*2,1. 7GHzMemory3 GBBuilt-In Storage32 GB Interface Video & Audio InputDVI-I × 1, HDMI2.0 × 2, DP1.2 × 1, Audio line in × 1Video & Audio OutputDP1.2 × 1, Audio line out × 1Network InterfaceLAN × 1, Wi-Fi × 1Data Transmission InterfaceUSB 2.0 × 2, TF Card × 1 Processing Performance Decode Capacity Support 1 channel multimedia video (4K); support decoding 2 MP video stream. Internal Function LoudspeakerBu ilt-in speaker (10 W) × 2 Working Environment Storage Temperature-20 °C to 60 °C (-4 °F to 104 °F)Storage Humidity10% to 90% RH General Material Type DAT, MPG, VOB, TS, AVI, MKV, MP4, MOV, 3GP, TS, FLV, WEBM, ASF, MP1, MP2, MP3, WMA, WAV, OGG, OGA, FLAC, ACC, M4A, XMF, MXMF, RTTTL, RTX, OTA, IMY, JPG, JPEG, BMP, GIF, PNGPower SupplyAC 100V-240VPower Consumption175W+/- 10%(typ), 315W(max)Standby Consumption≤ 0.5 WWorking Temperature0 °C to 40 °C (32 °F to 104 °F)Working Humidity20% to 80% RHProduct Dimensions (W × H × D)1241.8 × 712.6 × 63.5 mmPackage Dimensions (W × H × D)1350 × 860 × 160 mmNet Weight16.6 kgGross Weight23kgPacking Listpower cord, remote control, user manual, warranty card