The lamp socket is designed for standard E27 light-bulb (not included) but also takes your standard American/Canadian E26 size (tested). Works with 220v as well as 110v. Rewired with a vintage looking textile cable in copper color. Total height of the lamp is adjustable, length of the cable is 140cm and can be shortened to your preference. Good overall vintage condition. Up to 250V (Europe/UK Standard).The wiring of this item may be original and might need replacement, if not specified otherwise.