UFO highbay light1.Appereance:LD-HB-M300-50C  2.Measurements:LD-HB-M200-50C2.Measurements:  3. Product descriptionHigh lumen efficiency Highbay light；Replacement option for traditional halide lamps；Suitable application areas：Supermarkets、Educational facilities、Storages、Parking lots, etc. 4. Advantages 120° Beam angle； High luminous efficiency: 140lm/w；High luminous maintenance rate: 80% @36,000 hours； Produced with high quality aluminum alloy material. The luminary is treated with a special surface layer, making it resistant to rusting and damage that is due to tough working conditions such as high temperatures and humid environments； Equipped with locking function to prevent unexpected accidents during transportation and usage.High Power Factor,100-277V PF>0.9.  5. Important components LED type：SMD3030； AL1060 Aluminum alloy heat sink； Toughened transparent glass cover； High Quality LED driver.6. Technicial specificationsItemLD-HB-M300-50CLD-HB-M200-50CKey metricsLumen output (lm)-Frosted/Clear cover4200028000Luminous efficiency (lm/W)-Frosted/Clear cover140140Color temperature (CCT)5000K5000Kluminous maintenance rate (L70)>50,000 hours>50,000 hoursColor Rendering Index (CRI)>80>80Beam Angle120°120°Electrical DataPower300W200WPower Factor>0.9>0.9Input Voltage(V)100-277VAC100-277VACPackaging informationMeasurements(mm)Φ450*150Φ388*196Net Weight /PiecePacking size(mm)510*510*280435*435*205Units/Package1 Unit/Package1 unit/PackageTotal Weight/PackageOther informationMaterialAluminum Alloy + GlassAluminum alloy + GlassWorking Temperature-20oC to 40oC-20oC to 40oCHumidity10% - 90%, Relative humidity10% - 90%, Relative humidityInstallationHoistingHoistingProtection DegreeIP65IP65Certifications and warrantyCertifications//Material ClassCompliant with RoHS standards;Compliant with RoHS standards;Suitable application environmentIndoor usage/Can be used in moist environmentsIndoor usage/Can be used in moist environmentsWarranty (years)5 years5 years