Three Timing Times Aromatherapy diffuser can be scheduled for 1h, 3h, 6h according to needs; saving electricity and essential oils Optional Light Colors In order to meet enthusiasts with different lighting needs, the humidifier has warm light effects and 7 different color light effects. You can use the remote control to set your favorite color or automatically change the color. Large Capacity 250ml The maximum capacity can hold 250ml of water, which can be used continuously for at least 24 hours; the aromatherapy machine has an automatic protection function and automatically shuts down when there is no water.