Posts Tagged ‘security pir lights’

PIR Security Lights: The most advanced security light option

Wednesday, August 13th, 2008

All living bodies emit heat and PIR security lights work by detecting the heat from living bodies as they approach. The passive infra-red sensor, which is usually integrated into the base unit, will switch the lights on when motion is detected in the zone area.

PIR Security Lighting

We all know that waving trees and passing cats can cause these lights… Continue reading this article..