... module6,Temperature sensor 14,Obturating ring7,Waterproof circuit board 15,Reflective surface8,Circuit board protective cover 16,Warning signsBeing favored, ... ,ensure that the product long-term,reliable operation(6)The machine wity high protective performance,Protection design ... network5\Remote meter reading regularly and full automaticity 6\Failure alarm acousto-optical prompting7\Wire communication(M ...