what is the new style small spotlight from China factory?

here share some information for new style small spotlight

1. hole size 18mm, 22mm, 30mm, 40mm, 50mm, 60mm, 70mm
2. power:1w 3w 5w 7w 10w 15w 18w

these small spotlight not only use for cabinet lighting, but also for ceiling lighting made it like star lights effect.