Wide range of uses: fragrance oil diffusers can be used to freshen and humidify air. Silent aroma diffuser and humidification: The aroma diffuser uses DC silent atomizing film. Colorful Atmosphere Lights: Wireless aroma diffuser water tank features 7 kinds of color-changing LED lights. The fragrance diffuser, which can be used as a night light, has 2 types of spray pattern modes: Continuous mode, Timed 6 hours to close. Exquisite Gift: The design of the aroma diffuser is classic, exquisite and compact, which is very suitable for decoration. Aroma Diffuser Wide range of applications: Fragrance oil diffusers can be used to freshen and humidify air, relieve stress, improve sleep and improve work efficiency, suitable for bedrooms, offices, study rooms, hotels, etc. Aroma Diffuser Water fill method: Holding the bottom of the water tank with your hand, open the water tank in the direction indicated by the sign and add water. After adding water, the lock mark in the water tank is in line with the lock mark of the main body aligned. Turn clockwise to lock the water tank and turn counterclockwise to open the water tank. Spray switch: Short press the switch to turn on the continuous spray mode, the water tank light will turn on at the same time and the timer will turn off for 6 hours. Press the switch again to enter intermittent spray mode and the timer is off for 8 hours. Long press the switch to toggle the water tank light on and off.