saan bibili ip65 downlights 85mm cut out?

mayroong 3 laki para sa IP65 downlight na ito

2.5 pulgada na may cut out na 85mm, power 7w 10w

3.5 pulgada na may cut out na 95mm power 15w

4 pulgada na may cut out na 120mm power 20w

6 pulgada na may cut out na 150mm na kapangyarihan