Occupancy PIR Daylight linking Infrared receiver Clips into a 32mm diameter hole Due to the differences in reflectivity of the surfaces that the light sensor is seeing,the MultiSensor needs to be calibrated in-situ. The daylight linking is continuous - this allows the light to be at a constant defined level within the area. Range 25m (in line of sight) The MultiSensor is designed to operate with the LXS8410 remote control handsets. When a button is depressed on the remote control handset the Infrared receive LED will flash indicating that a message is being received.         7.42m x 5.66m floor area covered when mounted on a 2.5m high ceiling. Maximum range 5m.