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| Wireless Intellient Curtain Infrared Detector GS-821R |
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Wireless Intellient Curtain Infrared Detector GS-821RDescription and Main functions: 1,power:AA alkalescence battery 2*1.5V,low power indication,2,adjustable time for alarm delay,alarm direction of entry/ exit optional, 3,automatically temp. compensation 4,battery life: 1years 5,Detecting distance: 9m, 6,detecting angle:15 degrees 7,sending frequency:433M or 315M,sending distance:200m in open area |
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