Function: 1. Intelligent IR detecting, when some body go through the IR Beams , it will send signal to the control panel under alarm. 2. Compact Design with waterproof function. So it can used in both indoor or ourdoor 3, The sensor are easy to install, it use LED light to show that the IR Beams has been aimed. So the user can confirm that whether is has been istalled well or not by the LED Light.
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