A unique fragrance experience that blends attractive design with motion-sensor technology that allows the unit to spray when you pass by. Boost button can be pressed at any time for an extra burst of fragrance. Choose from a variety of quality Glade fragrances. Lockout setting to help conserve refills. The lock-out mode for Sense & Spray is 20 minutes. The lock-out mode for Sense & Spray is 15, 20, or 30 minutes depending on the switch setting.