These two lamp types are retrofit types to the halogen capsule we know as M47.
They are both 12V AC/DC. The Z1 1.5W is made from PC and has a frosted appearance whilst the Z1 2W is made from silicon and has a clear appearance.
Both lamps are non dimmable.
2700-3000K – WW – Warm white
4000-4500K – CW – Cool White