... Single Pole, 3-Way or More Applications, 180-Degree Field of View, White The SK902 can be used for automatic ... with electronic or magnetic ballasts, with the addition of an auxiliary relay unit, even HVAC can be controlled ... detection system comes into operation to keep the status of the detector as “Occupied” even though there is ... Pole, 3-Way or More Applications, 180-Degree Field of View, White