Sliding door block and alarm. Protect sliding windows and doors from forced entry, will also sound alarm if window is hit or door is forced open. Unit is adjustable to your track width, includes extra rubber pads to make a snug fit. Built-in vibration sensor and high output alarm up to 100 dB.
- Unit is mounted on track of sliding window or patio door
- A rubber pad is provided if track too wide and not enough tension can be applied
- Unit is sensitive to vibration or knocking
- Unit includes batteries for quick installation
- When alarm is low or weak time to change the batteries
- Battery included
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