This ultrasonic essential oil diffuser is an amazing multi-functional aromatherapy device unlike any other you've ever used. Special design as a volcano humidifier creates a peaceful ambiance while delivering a soothing cool mist. It offers maximum relaxation for you. The night light could improve your sleeping quality. It features a Portable and Compact design with a 300ml water tank capacity and multi-color changing LED lights for smooth cool ambiance. It is equipped with a Single switch to operate the mist and light functions. With the upgraded ultra-quiet fan, the diffuser is quieter than ever. The noise level is lower than 23 dB, which is quieter than the gentle sound of breathing. You can enjoy the relaxing and fragrant atmosphere at your space anytime. The mist and light functions of this aromatherapy diffuser work separately. You can turn off the light at night while sleeping. Or use this diffuser as a nightlight. It's a wonderful companion for reading, sleeping, working, or yoga. The humidifier features two mist modes, continuous (last for 6 hours) and intermittent (last for 8 hours) mode. It also features multi-color LED options. The diffuser is made of the finest PP material, which is safe for your baby and pets. With our beautiful gift box, you can choose to give this nice gift to your family and friends. Dimensions: Height - 15 cm (6 Inches) x Width 9 cm (3.5 Inches) | Colour - White | Pack Contents : Humidifier + USB Cable + Instruction Manual.