<img style="margin-right:10px" />Title: Velleman HAM9011 Battery-Operated Portable Doorbell/Alarm W/PIR Detector<br />
ASIN: B0052FYBI0<br />
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Description: Ideal for use in homes, offices or shops to announce visitors or intruders. High-Tech passive infrared sensor detects motion and turns on pleasant melody or alarm siren. Provides the most reliable form of detection 24 hours a day. Functions : doorbell or siren. Position can be adjusted through
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