GSM Alarm System, Mini Home Security SMS SIM Call,6 Preset SMS Alert Messaging for Door Magnetic Switch, Infrared Sensor, Gas Detector, Temperature Measuring - Tangxi, Tangxinr0bmsu7fg

• UPC   738674227699
• 1. One way GSM SMS alarm, which can be connected with external rechargeable batteries (not included) for power failure alarm. When any alarm input is triggered, it will send SMS alarm messages to up to 6 preset mobile phones. 2. The input of GA01P is a switch . When the input port is short-circuited with the ground wire (GND), GA01P will send an alarm message to the preset alarm phone, or call the set alarm number. The content of the alarm message can be set by yourself. 3. DC5-15V power input, an alarm voltage output, can be used for siren, can use text custom alarm SMS, very smart and slim gsm design box, can be easily installed on other target system boards, add gsm alarm function . 4. It can be widely used to connect different sensors. Such as door magnetic switch, infrared sensor, gas detector, water level sensor, temperature measuring device. 5. After you purchase this product, if you are dissatisfied with this product, or if you don't know anything about this product, please feel to contact us and we will do our best to answer you.