Takes 1x standard e27 plus 5x e14 light bulb (not included). for us/canadian customers, an adapter for the lightbulb (e14 to e12) will be added to the package, free of charge, just let us know when you order. The e27 socket also takes your standard american/canadian e26 size (tested). Works with 220v as well as 110v. up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise.