Microwave sensor led tube best for parking lot, garage: you can dim the brightness:
when car/people/any subject move, the tube will be 100% brightness; when no movement, the tube will be just 10% brightness.
Working principle: Doppler radae sensor, much better and stable than PIR sensor led tube.
More info: www.griled.com Email: ecosram@gmail.com Skype:ecosram
Video shared:
http://www.youtube.com/watch?v=4PkZ4cd2d3o&feature=channel&list=UL
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