Car humidifier spray function: turn on the power and wait for the absorbent cotton wick in the product to fully absorb the water. Press briefly for the first time to turn on the continuous spray mode; press again to turn on the spray mode. Press briefly again to turn off the spray.The humidifier also has a night light function: three light modes, long press to turn on the white night light, long press again to turn on the colourful light mode. 1, long press again to turn on the colourful cup light mode. 2, and press again to turn off the light.The humidifier can also be a perfect diffuser for essential oils. The aromatherapy function of the humidifier: screw the bottom of the aromatherapy box counter clock wise and drip appropriate essential oil onto the cotton cloth.Humidifier self-protection function: after the continuous spray mode has been turned on, it will automatically turn off after 4 hours of time, and the spray mode will be turned on and off automatically after 6 hours.Material: ABSSize: 16 x 6cmPackage Contents:1 x humidifier1 x cotton core1 x USB charging cable.