So the week before Thanksgiving, we had Slag brought/spread/rolled on our entrance drive and round-about, 84 tons, no joke, 3 Dump Trucks (12 tons each) and 2 Belly Dump Trailers (24 tons each), anyway I went to retrieve my tape measure this morning and found a rock (metal) attached to the magnetic end. Then I remembered, a few days back I went out to measure our driveway after installing new garage motion lights to measure how many feet the motion sensor triggers when someone pulls up on our round-about.
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So we definitely have Slag, never thought of testing the rock...
Here is my review on these awesome motion lights I installed, as I have said before it gets pitch black dark out here in the country, now when someone drives up they have light...
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These lights have several settings, lets say you want to keep them On at night but not full brightness, they can stay on at 30% then brighten when motion is detected. They have a good distance for detection, which can be adjusted too.
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