The GSM PIR Sensor is great for protecting an area with more than one entry point. (Wireless)
The GSM PIR Sensor (Wireless Series)
The Passive Infrared (PIR) motion detector mounts on any wall with the fully adjustable mounting bracket. Upon movement, the PIR sensor sends an RF (Radio Frequency) signal to alarm panel (receivers) which in turn activates the siren and auto dialer.
Key Features:
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