Intelligent information system “Smart lock” for the protection of apartments is considered and described. A general description of smart homes and the relevance of their use is made. Described an issue which appear when using smart home devices. Examples of two existing similar models are provided: SmartLock and Schlage Sense Smart Lock. An analysis of their advantages and disadvantages is made to take this information into account for the device that going to be created. A brief description of up-to- date information on face recognition techniques is provided.