Keeping doors and windows locked is your first line of defense. Make wireless alarms your second. The alarms are activated by doors or windows opening. Burglars hate noises, so even a small alarm usually sends them running. Easy to install and no wiring needed! Uses 3X 1.5 V Button Cell Batteries. So buy this 2 Pack: Door & Window Wireless Alarm Now $7.99 - Free Shipping!.
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