Our Elephant USB Powered Aromatherapy Diffuser is part of our Little Ones Aromatherapy series. With our new "Silicone Soft Top Design", this ultrasonic diffuser is safe for any age. The cute elephant's trunk is where you will see the cold mist escape. This makes the perfect fit for any child's room. Equipped with a color changing LED light, this also is a great lamp. You do have the option to diffuse without lights. Details Easy 1 button operation Auto Shut Off safety feature 60mL Water Capacity Great for Travel USB Powered (cord included), can also be plugged into a USB wall AC adapter LED Color-Changing Lights Cold Mist Diffusion BPA Free Total Run time of 3-4 Hours before auto shut off on a full water fill Dimensions: 4.75" x 4" x 4.75" Aroma2Go