The "Metal Conical Wall Mounted Light with Adjustable Arm Retro Industrial 1 Head Corridor Sconce Lamp in Black" is a wall lamp with an adjustable arm. It is made of metal and has a conical shade. The light is black in color. It is retro style and industrial themed. The light is LED/Incandescent/Fluorescent. The light is E26/E27 bulb base. The shade width is 7.5" and the height is 6.5". The backplate width is 4". The arm length is 10". The light is indoor use only. The voltage is 220V-240V 110V-120V. The light is dimmable with a compatible dimmer switch (not included). The light is not battery operated. The "Metal Conical Wall Mounted Light with Adjustable Arm Retro Industrial 1 Head Corridor Sconce Lamp in Black" come with all necessary mounting hardware.