What type of bulb does this fixture use?

Each light fixture will list the required bulb type in the product specifications. 

Common types are:

• E26 (standard base)
• GU10 (twist-and-lock)
• Candelabra (E12)
• Integrated LED (non-replaceable)
  If you’re unsure, check the “Bulb Type” or “Specifications” section on the product page.