There are two LED lamp styles here. Both are popular.
The first lamp, G9 Z1 2.5W is full PC and has a frosted appearance. This is rated 2.5W and is same shape and look as the halogen counterpart. It is also non dimmable.
The G9 Z1 3.5W is made from PC and Ceramic and can be purchased with either a clear or frosted appearance. There is also a dimmable and non dimmable version of this lamp.
2700-3000K – WW – Warm white
4000-4500K – CW – Cool White