Deik Wood Essential Oil Diffuser 200ml Aromatherapy Ultrasonic Humidifier with 7 Color LED Lights,Waterless Auto Shut off for Home Office Yoga UNIQUE DESIGN:With classic wood grain look,this Aroma Diffuser can give your room a fresh,clean scent,Also,this wooden scent diffuser is ideal for your home,office,bedroom,living room,yoga,spa,study,etc. SUPER QUIET:Using advanced Ultrasonic technology this now oil diffuser is extremely quiet without annoying noise that wont disturb you when you sleep or at work. 4 TIME MODES&AUTO SHUT-OFF:There are 4 time setting modes that you can choose:1H/2H/3H/On.You can choose the mist time according to your requirements.When water lever is too low,this aromatherapy oil diffuser will be automatically turned off.You don't need to worry about you sleeping or going out because this oil diffuser is safe enough. 7 COLOR CHANGING LED LIGHTS:As a night light lamp,you can select betwwen dim and bright,constant color mode ,automatic changing mode ,or entirely turning off mode of 7 different colors enable you to create a comfortable atmosphere to your preference. MORE FUNTIONS and MORE GUARANTEE:This aroma diffuser also can be an aromatherapy humidifier ,an air purifier and night light lamp.It helps with your dry chapped skin,chapped lips and dry sinuses,also can make you sleep better by adding moisure to the air.BTW,It comes with 1 years warranty and 30 days money back.