Specifications:Name: High Temperature Resistant BulbLamp holder: E12/E14/E17Rated voltage: 230VRated power: 15WSize: E12:19*49MM,Thread about Ф12×17mm;E14:19*53MM,Thread about Ф14×21mm;E17:22*54MM,Thread about Ф17×22mm;Package includes:1pc