Card Code Door Locks are a type of access control system that requires users to enter a unique card code to open the door. These locks provide a secure and convenient way to restrict access to a specific area or room within a property. With DIY materials, it is easy to install Card Code Door Locks for added security and peace of mind in your home or office. The use of card or codes eliminates the need for keys, making it a convenient and efficient solution for managing access to your property.