Takes one standard E27 light bulb (not included). When taking photos we used a 12cm diameter milky white bulb and 8cm diameter half chrome globe bulb, you can use however use whatever bulb with e27 screw. A standard E26 American/Canadian size also fits (tested). Works with 220v as well as 110v. Rewired with a long black electric cable. European Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.