<P>5 In 1 Functions: Our Oil Diffuser Can Be Used As An Aromatherapy Essential Oil Diffuser/Cool Mist Humidifier/Air Purifier/Ionizer/Night Light. Just Add Several Drops Of Essential Oil Into The Water, It Will Fill Your Space With Lovely Fragrance, And The Released Negative Ions Enhance Your Mood And Relieve Your Soul.<P>4 Time Setting Modes: Oil Diffuser Built-In 4 Time Setting Modes: 1 Hour, 3 Hours, 6 Hours And Continuous. And There Are 2 Options Of Mist For You To Choose From, Strong And Standard Mist. Just Select What You Want And Enjoy The Relax.<P>7 Soothing Lights & Ultrasonic Technology: Super Quiet Ultrasonic Aromatherapy Diffuser With 7 Soothing Led Light And Each Color Has 2 Light Options (Dim And Bright). Cool Mist Ultrasonic Diffusing Technology Allows For Your Essential Oils To Be Dispersed As Micro-Particles Without The Use Of Heat, This Aromatherapy Diffuser Will Not Disturb Your Study, Work Or Sleep.<P>Waterless Auto-Off Function: Our Aroma Diffuser Can Last For 6 -8 Hours With A Water Tank Capacity Of 550Ml. Designed With Waterless Auto-Off Function, This Essential Oil Diffuser Will Turn Off Automatically After 5S When Water Runs Out For Your Safety And The Protection Of The Aroma Diffuser As Well.<P>More Benefits: This Ultrasonic Diffuser Can Offer Therapeutic Effects, Alleviating The Symptom Of Congested Sinus, Nasal Passages, Etc. It Also Can Help Remove Smoky Smells, Animal Odors And Provide Fresh Air. The Aromatherapy Essential Oil Diffuser Features Super Modern Wood Grain, Like A Decorative Piece. Wonderful Gift For Your Friends, Families And Lovers.