... I/O interface>>>>>GSM Controller RTU5010/RTU5011 suitable for: 1. Security Alarm System application; 2. ... performance with built-in double watchdog>>Automatic device condition report through SMS every 24 hour ... 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 ...