Working Time: This essential oil diffuser can work continuously for 6-7 hours in strong mist mode and 12-15 hours in weak mist mode. Light color With Control: The upgraded air diffuser/humidifier contains mood light, you can adjust it dynamically and cyclically, set it to a fixed color or turn the light on and off individually, while the aroma diffuser is working alone. No Leak & Quiet: The essential oil diffuser is made of plastic material and can be used as an aroma diffuser, air humidifier sprayer/bedroom night light. Improved water tank prevents leaks. The essential oil diffuser works very quietly (less than 20 decibels) thanks to ultra-noise technology. Aroma Diffuser/Modern Air Humidifier for Bedroom Spray Mode: This oil diffuser has built-in strong or weak mist, continuous or intermittent mist mode. You can combine fog modes. It is a great aroma diffuser for essential oil diffusers. Perfect Gift: The essential oil diffuser has a modern design and is the best home decoration for life daily. This air diffuser is perfect for bedroom, living room, office, yoga room, kids room and home