General Info

Security-Master, operated by Alarm Detection Systems, is a full-service lockshop. Alarm Detection Systems, also known as ADS, designs, services and supports a range of electronic security devices. The company serves customers 24 hours a day, seven days a week throughout northern Illinois. It helps to protect homes and businesses from the threats of burglary and fire and medical emergencies. Alarm Detection Systems is a family-owned and operated business that has been serving clients for more than 35 years. The company offers a variety of fire safety and security systems. Alarm Detection Systems provides executive protection and vacation monitoring services, as well as online safety and security tips.