... The GSM SMS Controller-Alarm suitable for below applicationsSecurity Alarm System applications; Supervision ... 16. Unmanned machine rooms;17. Control room application;18. Automation System, M2M;19. GSM Access ... Sensor, Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, Glass Break S, , ensor, Shock Sensor, Power failure sensor ...