... 75~80lm/w,3 years warranty led panel with ies file 1. High Luminous efficiency of up ... no RF interference.12. Green LED item with RoHS & CE13. Easy and convenient installation with Full accessories (mounting screws, lifting rope ... meeting room, showroom, bedroom, schools, hospital, factory, workshop, lobby, metro, airport, corridor, hotels, restaurants, supermarkets and various places indoor lighting.