... / 2 Output / USB GSM intelligent controller for car alarm security system( 2 Input / 2 Output / USB Ports) Name: GSM ... Wellheads, boat, vehicle;13. Energy saving, street lights control system;14. Valve controls;15. Transformer stations; 16. Unmanned machine ... ) X 1GSM Antenna X 1Optional Accessories:Water Overflow Level Sensor, Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor, Door ...