96239821 SWITCHLITE MRE SLD IP55 The SwitchLite MRE SLD IP55 presence or absence detector is designed to provide automatic control of lighting loads. To switch from more than one position two or more units are wired in parallel. Covers up to 7 metres diameter at a 2.8m mounting height. Minimum ambient light level and time delay before switching luminaires off (10s to 30min) adjustable.