led panel with ies file IP40 AC100~240V,DC30~40V,Ra>80 PF>0.9, ... 75~80lm/w,3 years warranty led panel with ies file 1. High Luminous efficiency of up to 75~80LM / W ... Applications: LED panel lights are ideal for replacing conventional fittings in: Offices, meeting room, showroom, bedroom, schools, hospital, factory, workshop, lobby ...