... Ceiling Light Panel AC100~240V,DC30~40V,Ra>80 10mm thin, constant current LED driver IES,CE RoHS, 3 year warranty ... ~80LM / W, CRI >802. New aluminum frame design, ultra-thin 10mm, no screws on backside3. AC100~240V operation with low voltage constant ... the single broken LED influence problem;11. Instant start, no flickering, no humming, no RF interference.12. Green LED item with RoHS & CE13 ...