... LED light panel 40W 1. Luminous efficiency up to 80LM/W, CRI >802. New aluminum frame ... Sizes298x298x10mm, 298x598x10mm, 598x598x10mm618x618x10mm, 298x1198x10mmLamp Luminous Efficiency(lm/w)75 ~ 80lm/wCRI (Ra>)80Color Temperature(CCT)CW ... full suspension kitsmounting screws, lifting rope, clipsApplicationsVariety of places high brightness indoor lightingOffice Lighting, Meeting RoomsRestaurants ...