A key advantage to Perimeter Protection is that the system can be fully armed while you are inside the premises thereby giving you complete peace of mind.
Contact Shock Sensors are a combination of a contact and an inertia (vibration) sensor and can be fitted to windows / patio doors to detect forced entry, glass breakage and also the opening of a door or window. Contacts can be fitted to external doors to detect the opening of the door. Perimeter Protection: this type of protection comprises a mixture of devices to secure the perimeter of the protected house.
The HKC intruder alarm systems have a range of productions to provide the amount of protection you require.
You can have perimeter protection, trap protection or a combination of these.