Features：1. Easy and fast lock/unlock: Only takes 5 seconds to dismantled and assembled (replaced) one module by a small tool.2. Convenient installation: Light weight, and the cabinet structure enable to hang mount on the wall or lifting rely on the wall with simple installation accessories.3. Front removable: Front service design, each module of the screen can be easily removed from front side.4. Safe and quick service: When the module needs maintenance, don’t need to climb to the high or suffer heat torturing.5. Seamless split/joint: High precision and standard module size, makes the screen has good flatness and seamless.Technical SpecificationSpecificationP4 Front maintenance LED SignPixel pitch4mmPixel configurationSMD2121Module resolution32dots X 32dots for realModule pixels1024dotsModule size128mm X 128mmModule weight0.60kgCabinet size （W x H x D）640 X 640 X 150mm or customizableCabinet resolution160dot X 160dot for realModule quantity9pcsCabinet pixels62500dotsPixel density25600dot/sqmAavg.power consumption180W/sqmMax.power consumption550W/sqmMaterialIron or aluminumCabinet weight30KG for iron cabinet；40kg for aluminum cabinetBrightness≥6000cd/sqmContrasts（Max./Min.）1.1:1Driving method1/16 scanView angleHorizontal 140° vertical 140Optimal viewing distance4-100mBrightness controlRed，Green and Blue 256 Grade/EachFresh frequency≥1000HZFrame frequency50-60HZInput voltageAC220V/50HZ or AC110/60HZDefects rate≤0.00001Screen weight≤60kg/sqm for iron cabinet 45kg/sqm for aluminum cabinetMTBF＞10,000hoursLife span≥100,000hoursBrightness uniformity＜3%Earth leakage current＜3mAProtective gradeIP43Temperature-operating-40℃ to 60℃Humidity-operating10% to 90%Operating systemWindows98/me/2000/MT/XP/win7
