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Direction Identification Infrared Derector GS-821D |
Direction Identification Infrared Derector GS-821DDescription and Main functions: 1,wall mounted, 9-16V D.C, or 24V D.C.2,alarm direction of entry/ exit optional 3,identifying direction technology, single curtain model or direction model for choice, 4, automatically temp. compensation, 5,N.O. or N.C. for choice, 6,Detecting distance: 9m, 7,Detecting angle: 15 degrees |
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