Product comes with a standard European plug! Also, it will NOT come with a US plug adapter! - Our incandescent bulbs features an E27 socket. - Bulb type does not affect the price. - You can use a Led lamp, but in this case choose a switch without a dimmer. - To extend the service life of incandescent bulbs, we recommend choosing a dimmer switch and using the bulb at 60-70% power, this will on average extend the service life by 5-10 times. Edison Table Lamp, Steampunk Desk Lamp, Edison Bulb…