Ive got an autowatch alarm going on it, which includes 2 point imobilizer, door, boot, bonnet and window breakage sensors. $530 including taking the brandt out and installation.

True Blue Alarms
Car Alarms - Mandurah, WA 0418 887 311

Hes based in Mandurah and Im in Rockingham so not sure where abouts you are. He was recomended to me by Stechnic and I believe he does some work for RMS also.