... can be activated automatically. A relay with dialling-in remote control. An automation system. A SMS reporter. A data transporter (GSM DTU, ... Disarm button, the other 3 inputs can be used as door sensor, motion sensor, temperature sensor, water overflow sensor, AC ... Sensor, Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, ...