Hot (US) 4G/3G/GSM Alarm System GL09 4G/3G/ GSM 8CH Alarm Security System

Feature: \n 1. DC 5V\u201115V 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. Built\u2011in 4G module, can work anywhere in the world through 4G, 3G and GSM Net.\n2. You can set up to 6 groups of called numbers. When the alarm input has a trigger signal, an alarm message will be sent to the alarm number, or you can call the alarm directly.\n3. Easy to use, we have customized APPs, APPs that support for iOS/ systems, and can be set up by simply sending text messages through the app.\n4. The low\u2011power sleep mode design can detect the battery voltage in real time and make a low battery voltage alarm, which is suitable for battery\u2011powered applications.\n5. The input is a switch signal. When the input port is short\u2011circuited with the ground wire (GND), an alarm message will be sent to the preset alarm mobile phone or call the set alarm number. The :