2. Notification push via Wifi, compare with traditional SMS, it's free.
3. Zone names can be revised by users.
4. Leaving message remotely in APP. When leaving message in APP, such as: I will
go home late,don’t wait for me.Next the message is automatically mapping to the host.
Users will see LCD display note to remind.
5. Information push promptly when AC power lost or recovered or detectors in low