Qolsys Perimeter is designed for a house either without an alarm system, or one that you want to completely replace. Rather than come with movement sensors this package has door contacts and shock sensors. This type of a solution allows free movement in the house when the alarm is either in Home or Away Set. This package does not come with an external sounder, but one could easliy be added to the package.
This Qolsys package includes the IQ2 Plus panel with 2 x PowerG wireless door contacts, 2 x PowerG wireless shock sensors that sense excess vibration to a door or window. No external sounder is included within this package but can easily be added to the package.