Panasonic WTK2411K Includes a surface mount cover as a bonus. Used in a model room for about a year and a half, then stored in a warehouse. Functioned without any problems until immediately before removal. New reference price: 12,100 yen (excluding tax) [Ceiling Mount] Automatic switch with infrared sensor (parent unit, compatible with both incandescent and fluorescent lights) (Continuous lighting time after detection: adjustable from approximately 10 seconds to 30 minutes) (with brightness sensor) (White)