Ultrasonic Essential Oil Cold-Air Diffuser The Ultrasonic diffuser is a essential oil atomizer that can diffuse any essential oil from lavender to sandalwood. Using an optimal frequency of 2,400,000 cycles/second, Young Living’s Ultrasonic Diffuser atomizes cold water and essential oils, breaking up molecules into a microscopic mist. Capable of diffusing any essential oil, this new model offers a deeper well enabling longer more continuous diffusing without frequent refilling. Other unique features include a timer, with five different cycle option; a soothing light system guaranteed to set a calming mood in any room in your home; and three different diffusion rates for easy saturation control, all of which are unique to Young Living. The Ultrasonic Diffuser includes 1 lavender essential oil (5ml) and 1 Citrus Fresh essential oil (5ml). Diffuser Rating Performance **** Safety *** Convenience **** Noise Level **** Appearance **** Overall Rating **** Ultrasonic Diffuser (PDF) Diffuser Rating System (PDF) How to use: Using clean filtered water, add one cupful (8 oz.) to the bowl. Water should reach the top of the level indicator on the side of the bowl. Add 15-20 drops of any essential oil single or blend. Plug the adapter into the socket at the rear of the diffuser and then plug into an 110VAC power outlet. Do not power the diffuser until the bowl is correctly filled with water. Select your desired volume of output and light preference and enjoy your diffusing experience. Ingredients: Ultrasonic diffuser, instruction booklet, lavender essential oil (5ml), Citrus Fresh essential oil (5ml). * This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.