... I/O interface>>>>>GSM Controller RTU5010/RTU5011 suitable for: 1. Security Alarm System application; 2. Supervision and monitoring alarm;3. Automatic ... Overflow Level Sensor, Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, Glass Break Sensor, Shock Sensor, Power failure sensor, etc.>>>>>>>Why ...