10-Pack - Bulbs for Scentsy Plug-In Nightlight Warmer wax diffuser, 15W 120V These bulbs are the correct replacement for the 15 Watt bulbs that are used in Scentsy-brand and Better Home & Garden plug-in wax warmers The bulbs have the 12mm (roughly 1/2 inch) screw base, also known as E12 or Candelabra They are night-light bulb shaped, as pictured