Master Locksmith Charlotte is a professional who installs, repairs, and opens locks. They are typically called in when a homeowner has locked themselves out of their house or when there is a security issue. Access control is a system that is used to manage and monitor the access of people to a particular area. This can be used in a business setting to control who has access to certain areas or in a residential setting to control who can enter and leave the home. call us for local locksmith service in Charlotte, NC.