Stylish cover design makes this air freshener dispenser perfect for upscale corporate environments. Visual light indicators provide refill and battery replacement reminders, preventing waste.Easy refill replacement and key lock for additional security. Vented sides ensure effective fragrance dispersal. Works with a variety of O2 active air fragrances (sold separately) for long-lasting, fresh scent. Material(s): Plastic; Color(s): Black; Depth: 2 1/2"; Height: 6".