Rasonic play online

Rasonic is a smart home app developed by Shun Hing Electrical Engineering Co., Ltd., I wonder if you have encountered the following situations:
1. Forgot to bring the key when you got home? Enter the password on the door lock panel or use the APP to obtain the temporary password to go home.
2. Suddenly a friend visits you when you are away from work? You can open the door remotely by picking up the app, and you no longer have to wait for your friends outside.
3. What should I do if I am not at home when the express arrives? The courier can press the smart mailbox next to the door to talk to the owner. The owner opens the mailbox door through the APP, and the courier can put it in the courier, which is convenient and quick.
At present, the devices that have been adapted have smart access control systems (remote door opening, temporary passwords, etc.)
And some features are gradually increasing