The functions list below.
1. It could receive the ring tone from VIA smart ring bell, and talk with VIA smart ring bell with video.
2. It could enable monitor function for VIA smart ring bell in remote.
3. It could link with VIA's supported electric lock, and unlock it remotely.
4. It could enable/disable VIA's security box.
5. It could receive the warning message of VIA's security box remotely.