Not sure if i can put this here but it seems relevant to the thread..
I have an alarm system for sale, brand new from the UK :
1 Optima compact (Honeywell) control panel
4 Petwise PIR (so ok for the guard dogs)
3 Joint boxes
2 Panic Switches/or PA
1 Inside sounder (Alarm)
1 Outside sounder with strobe unit and 12v back up battery
All still in boxes with FULL instructions.. Just requires cable..
Well worth 6,500Baht, no offers..
PM me if your interested..