1[Applicable Bulbs] Double wall light base size E27 or E26 rated up to 60W, compatible with standard LED, CFL, halogen or incandescent bulbs (not included). 2[Horizontal Or Vertical Mounting] Wall light base can be mounted vertically on either side of an art painting or horizontally on a vanity mirror. 3[Use Scenario] This dual industrial wall light holder can be used in living rooms, bathrooms, dressing rooms, staircases, halls, hallways and kitchen sink areas. 4[Fine Workmanship] The vintage wall lamp holder is made of brushed metal, which will not rust, stylish and simple, elegant and textured. 5[Installation Advice] Wall mounted lamp socket requires hardwired installation (professional installation recommended), mounting hardware included.1 x Base Plate1 x Mounting Piece1 x Double Wall Light Base2 x Screw2 x Plastic Cover2 x Expansion Tube1 x Wire Fastener Clip2 x Faux Leather Tube1 x Gasket2 x Nut2 x Grub Screws