... leadtime 4 SGS/ROAS Material:PMMA,plasticLight Efficency:98%Made of glassSuitable for 1W,led series.Cree,Edison chips led is ... ,underground light and so onThe diameter is 35.8mmThe diameter of bottom is 6mmThe height is 17.1mmThe lens beam angle ... 15 degreeThe tranmittanle rate is 93%Suitable for the spotlight of MR16,E27,GU10,head lamp, miners lamp and so on ...