It is an App to manage your locks.
You can use this App doing these things:
1. Register and have your own managed account.
2. Add your own locks and open them by tap the screen.
3. Add your friends and give them authority to open your own lock.
4. You can open your friends' locks if your friends permitted.
5. You won't remember a lot of passwords or take a lot of keys to your locks. It is absolutely safe and convenient for you to manage your all locks.
6. If there is something wrong with your locks, you will receive a message about them. You can also look up the open records of your locks.