panel ceiling led 20w 300x300,100-240v,CRI>80 constant current power ... ,WW,IP40,CE,RoHS PF>90%,warranty 3 year panel ceiling led 20w 1. Luminous efficiency up to 80LM/W, CRI ... )50000Lamp Body MaterialAluminum frame ( 6063 ) – New designCover MaterialLED Chips, PC diffuser, constant current driverIP RatingIP40CertificationCE, ROHSPower Factor> 90%Warranty3 yearsThicknessSuper thin ...