The SensaSwitch Manual On / Auto Off Switch manually turns lights on and senses when unoccupied to turn off lights with an innovative motion-detecting sensor. Available in a White or Magnesium finish. Wall Plate required, but not included. Includes Locator Status Light. Accessories include Accent Nightlight to allow for low light in the night. Also available in other combinations of Auto Detection. 1.77 inch width x 1.77 inch height. UL Listed.