We here at Shearer Security Devices are best know for our Harrisburg alarm systems and Camera Systems, but we have installed thousands of alarm systems, surveillance camera systems and access control systems throughout Pennsylvania. We will install in both commercial and residential properties and have many customers with both business and home alarm system. Our technicians are certified by the NFBAA and NAA and are held to strict installation standards to provide the best quality and best service to all of our customers. If you are in the market for a new business or home alarm system, video surveillance system, hidden camera system or access control system, give us a call for a free quote today. We are NOT a high pressure company and our sales staff is very personable and easy going.