1. Real time interphone function:

2. Automatic identification function

3. Rumor interception system

shortcoming

1. Only one real name information can be bound to a micro signal. After binding, the real name information cannot be changed, and the real name binding relationship will not be deleted when the micro signal is released.

2. The same ID number can only register up to 10 (including 10) wechat payments;

3. A bank card (including credit card) can bind up to 3 micro signals;

4. A wechat can bind up to 10 bank cards (including credit cards);

5. Only one payment password can be set in a wechat account.

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