Basic Package of GSM Wireless Alarm System comprising the Main Wireless Alarm Unit, 1 Door/Window Sensor, 2 Wireless Remote Controls, Power adapter, 1 Siren, 1 Indoor Motion Sensor, and Mobile App. Other sensors can be added depending on the size of the property and will be charged on a unit basis to the total cost. The sensors can be gas sensors, smoke sensors, water sensors, outdoor motion sensors, garage door sensors, glass break sensors, etc. The alarm system when triggered sends a notification to your phone, also there is an option to link to our Rapid Response Services partner, Guard Alert.