Our bulbs are made to the highest quality and are manufactured specifically for our Salt Lamps.. Features-. High Quality - Made with high tech machinery to our exact specification, this bulb is substantially better than others on the market.. Designed For Salt Lamps - Don\'t use just any bulb, our bulbs were designed specifically to work best with salt lamps to withstand the high temperatures and moisture from the confined space they are in.. Specification-. 110V to 220V input, 15 Wattage, Dimmable Brightness, E14 Socket.