Title: Bought Two and am Happy with Both
Review: These sensors are a very good value. I live in a remote area in Mexico alone and I have placed the sensors so that I can be warned of movement around the vulnerable entrances to my casa. I can turn the sensors off during the day when people I know coming and going and I turn them on in the evening when I am alone. I like the sound adjustment feature. They have a very good motion pick up range. The other night, the sensor even notified me of a huge land crab on my front porch;)
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