... 3.Warranty:3 years 4.High brightness,low decay led ceiling light 220v Specification: Item No.QD03-P03W-A2MaterialAluminum Dimension(Dia ... UV infrared and other radiation ,shock vibration resistant8 .Imported light source ensure high brightness,9 .External constant- current driver, ... white11 .Instant on, no warm up time required.Application:LED downlights are widely used in store, house, hotel, office ...