Specification: The contacts made of copper The main body is made of flame-retardant PBT E12 to E14: E12 Connected lampholders E14 Connect light bulbs Use E14 light bulbs Note: 1、Adapter only provide the interface converter, does not provide a current or voltage conversion. 2、Please check your bulb connector carefully to make sure this adapter will meet. Package Inclueded:1x Lamp Bulbs Adapter Converter