led panel with ies file IP40 AC100~240V,DC30~40V,Ra>80 PF>0.9,constant current LED driver 75~80lm/w,3 years warranty led panel with ies file 1. High Luminous efficiency of up to 75~80LM / W, CRI >802. New aluminum frame design, ultra-thin 10mm, no screws on backside3. AC100~240V operation with low voltage constant current driver4. Suitable alternative to fluorescent lamp and traditional lighting ...