LightSource：TaiwanLumenmaxLED3528SMDLEDQuantity：276PCS Power:18WPowerFactor: ≥0.92PowerEfficiency:≥90%WorkingVoltage:85-265V; 50HZ-60HZVisibleLightTransmission=88%LuminousFlux： 276pcs*6.5lm/pc=1794LMTotalLumen:1794lm*88%=1500lmLampLumens:1500LMColorIndex：≥75%BeamAngle:180degree ColorTemperature: WW:3000-3300K; PW:5300-5700KWorkingTemperature：-37℃-+55℃IlluminationEfficiency:80-90lm/WBrightnessDegradation:＜3% 3KHrsMaterial:Aluminum+PC WorkingHumidity：≤95% ProductSize:￠30mm*1200mmWorkingLife:＞50,000hrsWarranty:24monthsCertificate:CE RoHS;