This product was a big disappointment. It had an extremely small angle of presence detection that didn't even come close to the advertised value. I couldn't turn on the device without getting within about 3 feet of it. I have a technical background and have worked to make this work better. I installed the light in a garage with an interior door about 6 feet from the ceiling. I removed the device and replaced it with another device I bought at a national hardware store, which has worked well so far.
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