A quarter of break-ins are through the 11
The 12 of the house should also be protected.
You should warn burglars your house is alarmed by putting a 13 in the window
The alarms show a constant 14
The alarms can be set off by a 15
The alarms are connected to the 16
The alarms are usually installed in 17
The security code should be kept 18
The alarms can be installed 19 at an additional cost.
Customers can pay 20 for their alarm system.