switched on or off by SMS commands
The GSM SMS Controller-Alarm S130 S140 S150 provides 2 relay output(3A 240VAC), one is link-output relay, special for switch on or off appliance while the system alarm, another is independent output relay, it can be switched on or off by SMS commands.
The GSM SMS Controller-Alarm S130 S140 S150 allows you to monitor and control an alarm or remote stations or equipments or machines by SMS.
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