96218677 SWITCHLITE MRE SLD The SWITCHLITE MRE SLD recessed PIR Presence Detector provides energy saving (on/off switching) in response to room occupancy and daylight levels, controlling standard luminaires containing wound gear or high frequency fixed output ballasts. Cost effective in applications such as cellular offices or areas which are unoccupied for long periods of time, such as storerooms or toilets. Suitable for indoor use only.