1.the diameter is 14.5mm

2.the diameter of bottom is 8.2mm

3.the heigh is 14.5mm

4.the lens beam angle is 8 degree

5.the transmittance rate is 93%

6.suitable LUXEN led,Edison led,seoul led and so on

7.suitable for underwater light,flashlight,medical device,snake-like lamp,camera case and so on