... housing 1.High quality aluminium and pvc 2.CE ,Rohs dimmable led panel light suqare ceiling panel light housing * Life span : ... Instant start ,no flickering, no humming.3.New highefficiencyconstant current driver.4.Special circuit design, ench group of LEDs workseparately.5 ... material,conforming to RoHS.8.No RF interference. Applications: LED panel light are widely used in Hotels , Conference/Meeting ...