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Title: Cooper rfm300w
Review: I bought this unit and put fresh batteries into it. It worked in the house multiple times, but after I put the stake in the yard it failed. I was bout 24F outside and the unit would not work. I brought the sensor back into the house but the light stayed on permanently.... Do not buy this ..the manual makes an allusion to letting the remote sensor "Warm" up. I guess it cannot work outside below "room temperature.
