... >90%Frequency Range50-60HzBrandOnllaWorking Temperature-40°C~55°CLED Quantity192pcsMechanical MaterialAluminum Frame Dimension300x300x12 mm CertificateCCC CE ROHS UL etcWarranty2yearsInternational ProtectionIP50Led ... quantity, color temperature, voltage, label, packing etc. All with signature of the responsible. Panel Light LED Applications:Hotel,hospital,meeting room,school,supermarket,office,show ...