Title: works for me
Review: I have some hidden driveway patrols close to my boat dock that has no lights or security. Had some false alarms and the unit failed to work after a heavy rain storm. I took it inside and let it dry and afterward it worked again. I noticed some drops of rain inside and damp on the lens. Because it is installed in open air and sun I made some cover around it that I painted (flat)black inside. All six are working and alert one receiver. I inclined all the units a few degrees downwards.Masking the lens gave me some individual sensitivity adjustment.
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