GJD140/W, Pearl Curtain Beam Detector, in White 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 GJD Website Pearl Curtain Beam Datasheet.pdf£50.00DetailsDescriptionGJD - GJD140/W, Pearl Curtain Beam Detector - White, LGT184 GJD140 - Pearl Curtain Detector in Silver - LGT185 GJD149/W Swivel Bracket in White - LGT186 GJD149 Swivel Bracket in Silver - LGT187 The Pearl sensor is an outdoor triple technology anti-masking motion detector that uses PIR and microwave sensors for dual detection. The motion detector will aid to protect properties against crime with its invisible curtain using passive infrared sensing. The Pearl can be positioned to look across windows, doors or the entire length of the house or property wall. It also comes equipped with anti-masking circuitry and separate output contacts. The Pearl detector is supplied with a customisable “T” bracket for narrow beam applications protecting across a door or window. An additional swivel bracket can be purchased for applications that require a customisable pan and tilt angle.