... Analog inputs, 0-53mA, 10 precision(RTU5011)>>Reliable performance with built-in double watchdog>>Automatic device condition report through SMS every 24 ... 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 ...