... home appliance, Water,Oil and gas pipelines by a SMS based on GSM( 4 Input / 2 ... USB Ports ) The GSM SMS Controller-Alarm is a very simple device which can be used for ... OFF your system, machines, equipments remotely with a SMS text from your mobile phone and protect ... 1GSM Antenna X 1Optional Accessories:Water Overflow Level Sensor, Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor ...