eエントリー is a specialized application designed for managing the electric locks of specific entrance doors manufactured by Sankyo Tateyama Inc. This app allows users to perform locking and unlocking operations via their smartphones, making it a convenient tool for enhancing home security. It supports two main electric lock models: e・エントリー and e・エントリー２, each with its own set of features and functionalities. Users must ensure compatibility with their door models prior to installation.

Key features include hands-free locking and unlocking for the e・エントリー２ model, operation history logs, and the ability to manage registered smartphones for the electric lock. The app also allows users to receive email notifications when family members operate the lock using their smartphones. Additionally, users can conduct software updates for the lock system directly through the app, ensuring that their security features remain current.