Recent content by DohertyIntegratedSec

  1. DohertyIntegratedSec

    PIR or photocell controlled lighting?

    I am going to hazard a guess they recommend dusk till dawn lighting for one of two reasons. 1. Deterrence would be main factor, if a potential intruder can see a well lit house from the street, well so can others & Probably give it a miss. 2. People install PIR Lights facing neighbours windows &...
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