Power failure alarm supports 6 groups of SMS notifications Intelligent security system <ul class="a-un0rdered-list a-vertical a-spacing-mini"> <li class="a-spacing-mini"><span class="a-list-item">The alarm message content can be customized, and a custom alarm text message can be used. </span></li> <li class="a-spacing-mini"><span class="a-list-item">It can be widely used to connect to various sensors, such as door magnetic switches, infrared sensors, gas detectors, water level sensors, and temperature measuring devices. </span></li> <li class="a-spacing-mini"><span class="a-list-item">When the alarm input is triggered, an SMS alarm message can be sent to up to six preset mobile phones. </span></li> <li class="a-spacing-mini"><span class="a-list-item">The GA01P input is a digital signal. When the input port is shorted to ground (GND), the GA01P will send an alarm message to the preset mobile phone or dial the set alarm number. </span></li> <li class="a-spacing-mini"><span class="a-list-item">Smart and slim GSM design shell, can be easily installed on other target system boards to add GSM alarm function. </span></li> <li class="a-spacing-mini"></li> </ul>