EXCELLENT PERFORMANCE. This essential oil diffuser can last for 10 hours (in low mist level) with a water tank capacity of 300ml. The mist output of aromatherapy diffuser can reaches 50-70ml/h, perfect for space 20-30㎡, creating much more cool and fragrance. It can be used with our fragrance oils or essential oils as a fragrance oil diffuser or aroma difuser. 1 YEAR WARRANTY: 1 year warranty against manufacturing defects. AUTO OFF FUNCTION: Designed with waterless auto-off function, this aromatherapy essential oil diffuser will turn off automatically when runs out water. Perfect for bedroom, living room, office, spa, yoga. If you want to continue using it, please press the buton again auto shut down exists to ensure safety. Perfect humidifiers for home, humidifiers for bedroom, aroma diffuser for bathroom, humidifier for living room, aroma diffusers for office, spa, yoga room, or studio. MULTICOLOR LIGHTS AND 15 MODES. 7 soothing colors and each color has 2 light options (dim and bright). You can cycle it through 14 colors, or set it to one fixed color, so you totally will get 15 lighting modes to meet your different needs. The light can also be turned off completely for total darkness.2 MIST AND 4 TIMER SETTING: There are two options of mist for you to choose from: strong and standard mist. Also four timer settings: 1H, 3H, 6H and continuous. Select a suitable timer mode & mist option and create a calming and relaxing environment. It can be used with our fragrance oils or essential oils as a fragrance oil diffuser or aroma difuser.