Yaqi WIFI Smart Fish Alarm IOS Software is application software installed and run on iPhone and iPad. The software works with alarm device developed by Yaqi Electronics Technology Co., Ltd., realizing data communication with alarm receiver via WIFI network, and is able to match the code of alarm transmitter. When the alarm function is activated, the software will repeatedly inquire the decoding state of alarm receiver. As long as there is the alarm sends signal, the software will give sound or shaking notice, even display which alarm is working, as is shown in Fig.