1. You can manage multiple locks on your mobile phone, even if you have many rooms at different places, it can be easily handled.

2. You can remotely send electronic key or password to your tenant or guest. Even if you are on business trip or on vocation, you can also run your hotel/motel.

3. You can set the effectiveness of electronic key or password to be: Permanent / Limited Time Period / One-Time, which can be respectively for long-time tenant, short-time tenant, room cleaner.

4. You can also delete the guest's unlocking privileges right away remotely.

5. You don’t need to worry about arrears of rent, or changing lock after tenant moved out.

6. You can check unlocking history (who/when/how) on your mobile anytime, to keep your rooms safe all the time.