GSM Alarm System GL09 4G/3G/GSM 8CH Alarm Security System Alert Module 8Channel Input Low Consumption for Home Warehouse Security(US)

DC 5V15V power input, 8 channels of alarm detection, each channel of alarm message users can set different content by themselves. You can choose the input port to be NC or NO to alarm. Builtin 4G module, can work anywhere in the world through 4G, 3G and GSM Net.
You can set up to 6 groups of called numbers. When the alarm input has a , an alarm message will be sent to the alarm number, or you can call the alarm directly.
Easy to use, we have customized APPs, APPs that support for iOS/Android systems, and can be set up by simply sending text messages through the app.
The lowpower sleep mode design can detect the battery voltage in real time and make a low battery voltage alarm, which is suitable for batterypowered applications.
The input is a switch . When the input port is short-circuited with the ground wire (GND), an alarm message will be sent to the preset alarm mobile phone or call the set alarm number. The content of the alarm message can be set by yourself.