A few nice home alarm systems images I found:
aafad 33/365 home security system
Image by lamont_cranston
well, it beats an alarm or a guard dog, i guess?
Programmable Home Security Alarm System
Image by Dilshan R Jayakody
Programmable Home Security Alarm System at the testing phase
Programmable Home Security Alarm System
Image by Dilshan R Jayakody
Complete view of the Programmable Home Security Alarm System
