GSM SMS controller RTU5019

1) 2 digital inputs for water level, magnet contact, motion detect, heat detect, smoke detect, etc.
2) 1 temperature input for cold room, water pool, warehouse, storeroom, refrigerator truck, refrigeration storage, villa, house temperature monitoring.
3) 1 pulse counter input for vending machine, vending room, visitors flow rate monitoring.
GSM SMS controller RTU5019