www.sdmmag.com/articles/83521-white-light-illuminator-for-technical-surveillance
White light illuminator for technical surveillance
February 6, 2006

The Spectrum Series white light illuminators from Extreme CCTV are designed for technical nighttime surveillance at critical security locations. The system uses a filter that counteracts color distortions caused by conventional light sources such as high-pressure sodium lamps. A dedicated power supply incorporates a dry-contact switch, allowing remote control operation via electrical relay. Extreme CCTV
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