Basic Security System Of Wifi Pstn

Basic security system of WIFN + PSTN W21 alarm system adopts the up-to-date digital sensor and transfer technology, which integrates burglar, and fire/gas protection for smart alarm system. W21 adopts dot-matrix, voice, support IOS and Android app software. Users can remotely control and program the alarm host Via APP, also support multi-language.The system adopts WIFI/PSTN wireless network digital signal processing technical. When alarm, it will inform alert via voice, information push, popup alarm on screen. W21 Alarm System is a advisable choice for personal house ‘s security, working office’s security and factory’s security with fashionable appearance and multi-functions.

Product Details


Basic security system of WIFN +PSTN

Product Summary

W21 alarm system adopts the up-to-date digital sensor and transfer technology, which integrates burglar, and fire/gas protection for smart alarm system. W20/W21 adopts dot-matrix, voice, support IOS and Android app software. Users can remotely control and program the alarm host Via APP, also support multi-language.The system adopts WIFI/GSMWIFI/PSTN wireless network digital signal processing technical. When alarm, it will inform alert via voice, information push, popup alarm on screen. W21 Alarm System is a advisable choice for personal house ‘s security, working office’s security and factory’s security with fashionable appearance and multi-functions.




Heyi Electronics has been focused on various alarm products for many years and are known as a famous brand. Welcome to wholesale the basic security system of wifi pstn with our manufacturers and suppliers. And the customized service is also offered in our factory.
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