... Range50~60HzTotal Harmonic Distortion<15%Power Factor>90%Color Rendering Index(CRI)>82RaLED Power Consumption6WBrandONLLAWarranty 2 yearsInternational ... corrosion dealing etc.;Driver detailed & long time test;LED chip color temperature,CRI,lumen efficiency test;2).Assembling: following ... ).Warehouse and Shipping:files for item No.,quantity,color temperature,voltage,label,packing etc.All with signature ...