iSmartAlarm Contact Sensor Door & Window Alarm instantly notifies you if anything opens

Know what’s happening at every entrance to your home with the iSmartAlarm Contact Sensor Door & Window Alarm. This compact gadget attaches to both sides of your door or window, notifying you instantly if it opens. In fact, this iSmartAlarm is great for cabinets. That means you can use the Contact Sensor to monitor if your child opens a cabinet with cleaning supplies. A completely wireless device, this sensor uses batteries to stay powered up. Plus, it’s easy to install..

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