Likey company plans to launch a smart doorbell, called SmartBell. The SmartBell is equipped with a camera and a screen, which can be connected to the user's smartphone and an app on the tablet over the network. Whether you are in the upstairs bedroom or on the road, you are welcome to talk to the guests you visit. If you have trouble, it is not convenient to use the application for dialogue, then you can pre-recorded video.