DG-85 is a kind of PIR intrusion detector integrating the most advanced securtiy technology. It adopts 2 dual PIR sensors wtih high accuracy, intelligent digital chip, advanced, of tware technology, which can help it to make an accurate judgment of true intruder or other interfernce that can cause wrong alarm. And it is with function of automatic memory of environmental change, which can avoid wrong alarm caused by hot & cold air, operation machine interference. It can prevent effectively the interference caused by a 25kg past or 10 cats, insect, mouse, birds etc. Its super filter can be used indoor and outdoor. This has clear various interference that common PIR detector can't overcome; and put an end to wrong alarm and miss alarm.
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