led panel with ies file IP40 AC100~240V,DC30 ... driver 75~80lm/w,3 years warranty led panel with ies file 1. High Luminous efficiency of up ... 10mm, no screws on backside3. AC100~240V operation with low voltage constant current driver4. Suitable alternative to ... LED panel lights are ideal for replacing conventional fittings in: Offices, meeting room, showroom, bedroom, schools, hospital, factory, workshop ...