... Switch , Single Pole, 3-Way or More Applications, 180-Degree Field of View, White The SK902 can be used for automatic switching ... desired during slide or film presentations. The unit replaces a single-pole wall switch and fits in the standard wall box ... Mode SOUND-ON/OFF Mode UL Occupancy Sensor Wall Switch , Single Pole, 3-Way or More Applications, 180-Degree Field of ...