C315 series is an Android SIP-based indoor monitor with a smooth touch-screen. It can be connected with the Akuvox door phone for audio/video communication, unlocking, and monitoring. Residents can communicate with visitors via audio/video call, and it supports unlocking the door remotely. It is more convenient and safer for residents to check the visitor's identity through its video preview function. C315 series is often applied to scenarios such as villas, apartments, and buildings.