4 Best
Diy Alarm Systems
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Product Highlights- Loud 120-decible alarm sounds when door or window opens, helps deter intruder and alert residence
- Built-in low battery test button to easily check battery life, includes four lr44 batteries for each alarm
- Includes two window/door alarms, each with three adjustable settings off/chime/alarm
- Easy and convenient to install, requires no wiring, mounting hardware and instructions included, designed for indoor use only
- Comes with a 90-day limited warranty. perfect for home, garage, apartment, dorm room, mobile home, rv, office and more
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