TimeMist Settings Dispenser Micro delivers a sleek design, smooth performance and battery cost savings while providing more flexibility and control over your air care dispensing. Simplified user interface allows easy, flexible programming to customize your fragrance experience in the following increments in minutes: 7-1/2, 15 or 30. Innovative light-sensing technology ensures that dispenser runs only when needed – day, night or both. Use the unique magnetic lock or convert to friction lock to ensure secure, continuous fragrancing. Dispenser operates with two AA batteries or four AA batteries.