Experience Trapp Fragrances in a brand-new way. The relaxing ultrasonic diffuser oils are available in several of our best-selling fragrances, and now you can adjust fragrance intensity with the number of oil drops added Dimensions: Refill Oil - 0.5 fl. oz. bottle Details: Works best in rooms up to 150 sq ft. 4 hours in continuous mode or 8 hours in intermittent mode. 90 ml (3 fl oz) water tank capacity. Timer intervals of 60, 90, and 120 minutes. Seven LED colors, rotating or static. Ceramic cover. Automatic shutoff. AC adapter and instruction manual enclosed. Fragrances: Orange Vanilla - Crisp notes of Brazilian orange are softened with rich Tahitian vanilla to create a smooth and comforting fragrance. Tonka bean adds dimension that elevates the other notes. Fresh Cut Tuberose - A tropical white flower with an intense, heady floral fragrance? like gardenia only more powerful. Bold floral and green notes blend to create a distinct, memorable fragrance. Water - Ozonic, watery notes dominate while white florals create a sophisticated, clean base that uplifts you with its fresh and energizing spirit. Wild Currant - This tart berry fragrance derives its unique profile from the combination of wild red and black currants. Spanish moss adds depth with green, earthy dry-down notes.