Red Arrow Microwave Sensor for Linear LED High - Low Bay Fittings (also has Corridor Function) HLBMSThe Remote Controlled External Microwave Sensor for LED High Low Bay fittings. This sensor will switch your fittings on/off when movement is detected, it also has the ability of a corridor function using the 1-10V cables, when attached to a compatible driver. The microwave sensor can be set internally via the dip switches. A remote control can be purchased separately (Part: HLBMS-RC) to enable changes to the settings without having to gain access to the fitting itself. Product Dimensions: Diameter: 72mm x Depth: 59mm. £48.35BLTdirect.comDelivery: in United Kingdom ReportBuy!