Take a look at our selection of Alarm Expansion Modules which are modules that can be easily installed to improve your intrusion alarm system. They help take your security surveillance system to the next level and help it run optimally. We carry the best equipment from the top trusted manufacturers so that you can shop with confidence. Our equipment is durable, dependable and reliable. Take a look at our large selection of alarm modules today and give us a call if you have any further questions. We have a great team that would love to help you with all your CCTV security and surveillance needs.