Non-IC 40W A19 / IC 25W A19 , Trim size: L=9-1/2 Inch X H=4-7/8 Inch , Secure trim retention w/ torsion springs , Step light housing for incandescent lamp , For use indoors in insulated (IC) and Non- insulated (NON-IC) areas , For damp location only , Conforms to UL standard 1598