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low bass not going down
Battery input: 3
Enables wireless connectivity between computers and devices
Backlight display
It is made of high-quality materials
GL09 PLUS Low Standby Power Consumption 8-channel Monitoring GSM Alarm Module, GL09 PLUS QIANLI low bass not going down1. Low power sleep mode design 2. One way alarm voltage output 3. It can detect the voltage of the battery in real time and make a low battery voltage alarm, suitable for battery powered applications, and a wide voltage supply range from DC5V to DC16V 4. Eight way alarm detection, users can set different content for each alarm SMS, The input port can be selected as NC or NO alarm mode 5. 6 groups of called numbers can be set. When the alarm input has
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