GJD250, D-Tect 50m IP Motion Detector
GJD
GJD Manufacturing Ltd is an award winning UK manufacturer, designer and supplier of professional external detector equipment, as well as Infra-Red and White-Light LED Illuminators
Body
https://www.youtube.com/watch?v=hbYM0hT-Aog
https://www.youtube.com/watch?v=038cwgDCOXE