Detailed Product Description 18 LED Glass Protected Light Bulb Long life span, energy savingShock proof, moisture proof, anti distortion Use ultra low decay suprerbright LED as light sourceIt is widely used in commercial lighting in showcase, hotle , exhibition and so on.Specification:Size:57*49mm,or 2.24*1.93inBottom Size: 30*26mm,or 1.18*1.02in Net Weight :50g,or 1.76oz