Tank Capacity: 10 fl oz (300 ml)6 Calming SoundsCool Mist7 Soothing LED LightsInfant - Toddler - Mommy Potency Essential oils are safe and beneficial for children of all ages when used properly. To reduce potency of essential oils, make sure your little one's room is well-ventilated prior to diffusing. Your newborn's lungs are very sensitive, the diffuser feature is not recommended to be used on newborn's less than 4 weeks old. Safety Essential oils are safe to use around babies, however, to ensure their safety diffuse with gentle oils like Frankincense, Lavender, and Lemon. No matter how delightful the smell of our favorite essentials oil is, we recommend you keep the oil bottles away from your baby's nose. Maintenance Regular maintenance of your diffuser is essential to making sure it runs properly. Always drain water from unit and clean it with a soft dry cloth after every use. Babies Like Diffusers Too Sleep 'N Slumber Ultrasonic Sound Oil Diffuser does the hard work of coaxing a wide awake baby with playtime on the brain right to sleep so you don't have to. With the push of a button here to gently mist a calming essential oil, and the push of another button there to play one of six relaxing nature sounds. Sleep 'N Slumber will rock your little angel fast asleep.