... Disarm button, the other 3 inputs can be used as door sensor, motion sensor, temperature sensor, water overflow sensor, ... , Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, ... SMS Alarm, GSM SMS Controller, GSM Home Automation system, Industrial Remote Controller, GPRS RTU Data Logger, GSM Telemetry, Temperature Measurement ...