Small plugL x W x H: 4.5 x 4.5 x 12 cm / 1,7 x 1,7 x 4,7 inchDiameter: 2.6 cm / 1 inchInsertable Length: 10.5 cm / 4,1 inchMedium PlugL x W x H: 5 x 5 x 13 cm / 2 (1)