die-cast brass and brass plate marine lantern lights for walls, chain pendant, all lights for indoor use with or without glass depending on the version. Antique copper-plated brass. AR, dark brown. B. glossy antique. A glossy painted. V. The E 27 lamp socket allows for the use of low-energy light bulbs to allow significant savings in energy compared to traditional incandescent lights. Energy efficiency class A+ Ă· E.