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1. Wide voltage: DC 6-15V power supply 2. Working frequency: GSM (2G) 850/900/1800/1900 MHz 3. Eight-way alarm detection, each alarm SMS user can set different content by himself 4. You can choose the input port as NC or NO mode alarm 5. Up to 6 groups of called numbers can be set. When the alarm input has a trigger signal, an alarm message will be sent to the alarm number, or the alarm will be called directly 6. It is easy to use, supports IOS and Android APP, and can be set by simply sending text messages through the APP. 7. Wide range of applications: mainly home security, warehouses, remote computer rooms, industrial monitoring sites, security protection, home security and other unattended points.
