The 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.