Spa Vapor - Advanced Wellness - Instant Healthful Mist Therapy (add essential oils for instant results) - Ultrasonic pulsating sound creates a soothing healing vapor - add essential oils for aromatherapy benefit - rotating LED lights change colors for beautiful glow - lights can be turned on/off - auto shutoff - uses normal tap water.Spa Vapor + ultrasonic oil diffuserThis patented ultrasonic oil diffuser uses the industry?s leading technology to create an ultrafine mist which will allow for all grades of essential oils to be suspended in the air for longer periods of time and for better inhalation. Six rotating LED lights create a soft soothing color changing effect ? note ? these lights can be turned on or off. Other features: BPA free, Size 4? x 4? x 6?, Water capacity ? 175ml, Room size ? up to 500 square feet, Run time: Up to 6 hours (depends on the mineral content of your water), Auto shut off when the unit runs out of water, Directional misting.Product usage procedures/tips Do:Use regular WARM tap water for optimum usage.Fill half way to fill line to begin add more water after misting begins.Use a separate cup (not provided) to fill your unit with water.Make sure all 3 top parts are in place for unit to properly mist.Do NOT:Do not use cold water (this will delay misting).Do not use distilled water (distilled water does not have minerals).Do not overfill ? remove some water if unit does not mist.Do not allow water to enter vapor hole on side of unit.Car Scenter Electric Diffuser helps you enjoy natural aromas while driving and to deodorize and refresh your car. This diffuser is perfect for smokers and for those who want to fragrance their cars naturally without the use of chemicals found in most car diffusers today. Plug the car diffuser into the lighter/adaptor outlet and within minutes you will experience the benefits of your chosen essential oil.