Capable of simultaneous voice and light alarm; Works very well in anti-electromagnetic disturbance; Zero display, over bound alarm. f( Technical Parameters+¬ 1.Alarming Range+¬1 ºf+ 60º++Optional++ 2.Operating Voltage+¬DC 7f+ 24V++External Power Supply++ 3.Working Environment+¬-25ºCf+ +60ºC 4.Storage Temperature+¬-30ºCf+ +65ºC
