P3.91 SMD2121 Indoor full Color LED Screen SpecificationPixel pitch3.91mmPixel Configuration1R1G1BLED componentSMD2121 blackSize of module250mm*250mmResolution of module64x64Size of cabinet500mm*500mm*75mm/500mm*1000mm*75mmResolution of cabinet128*128/128x256Material of CabinetDie-casting AluminumWeight of Cabinet7.8kgs/13KGSBrightness>1500cd/sq.mDensity65746dots/sq.mBest viewing angle140 /140Pixel Configuration1R1G1BBest viewing distance3-50MMaximum power consumption1200W/sq.mAverage power consumption640W/sq.mDriving method1/16 scanControl methodSynchronizationGray scale65536Colors256*256*256Color temperature3200-9300kUniformity97%Working voltageAC220V/110V±10%Working temperature-20ºC~+50ºC±10%Working humidity10% ~ 90%MTBF10,000 hoursFrame frequence50/60HzRefresh frequence>1920HzIP gradeIP31Life Span100,000 hoursData transafer methodRJ45Pratical standardCCC  TUV-CE  ETL etc.Effectivce Communication
Distance(without relay)Unshielded twisted pair net line transmission distance:100M, max transmission distance:130M; Multi-mode optic fiber: 500M;
Single-mode optic fiber: 10KMAccepting signal with video processorPAL/NTSC/SECAM,S-Video;VGA;RGB;HDMI,DVI,Composite Video;SDI,DP etc.Systems operating platformWINDOWS(WINXP,WIN7/8/10), and interfaces for secondary development