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Title: SanJie Wireless Motion Detector Alarm  
Category: Electronics  
Brand: SanJie  
Description: A wire‑free motion‑sensing alarm system that alerts you to intrusions with customizable ringtones and volume.  
Details: Connects up to 4 sensors, offers a 328‑ft range, 38 ringtones, five volume levels, and easy wall mounting.

Price is $