panel ceiling led 20w 300x300,100-240v,CRI>80 constant current power supply CW,NW,WW,IP40,CE,RoHS PF>90%,warranty 3 year panel ceiling led 20w 1. Luminous efficiency up to 80LM/W, CRI >802. New aluminum frame,ultra-thin 10mm,no screws on the back3. No UV & IR emission4. Environmentally friendly – fully recyclable, no mercuryor other hazardous materials5. Simple and convenient installation6. Long ...