bro hari1th7,already contacted them.thanks!
bro neohardri,forgive me,for i'm still at that stage where i think these things look cool.but i didn't know that the ballast will always rosak.=/
bro VIPaltis,thanks for the tip!i'll check them out soon.=)
bro ken yeang,i seriously didn't know that it's illegal.=/ and i think the water ingress issue won't come up if a good job is done.i'll ask around and reconsider.but thanks for the advise though!