Shearer Security Devices and Shearer Locksmith has been serving customer in the Harrisburg area and Central Pennsylvania since 1988. Although we have slightly adjusted our name over the years, you will always get the same fast, professional service you have always received. Our affordable burglar alarm monitoring and fire alarm monitoring and exceptional customer service sets us apart from other security providers. We offer complete security solutions to protect your home or business from modern security threats. By choosing Shearer Security Devices you will receive the best service in the industry. Our custom tailored fire alarm systems, burglar alarm systems and surveillance systems are designed to meet your specific security requirements.