Ultrasonic Aromatherapy Diffusers Humidifier With 4 Hours Automatic Shut-off 95ACFeature7 Colors LED Moon Lights Modes: 7 color changing LED lamps for your choice,press 2 second long to turn on the colorful gradual change night light mode,press 2 seconds long again to lock the color of the light,press 2 press second long again to turn off the light.Two Working Modes: Click the humidifier button for the first time to continuously spray,and click the button for the second time to continuously spray and switch to intermittent spray (spray 3 seconds for 3 second)click the button for the third time to turn off the spray.You can press the humidifier button to choose the modes which you like.Automatic Power-off Funtion: Automatic power-off when the humidifier diffuser is in use for 4 hours,the humidifier will stop spraying cool mist,safe and easy to use.The aroma diffuser can be used continuously for 10 hours and consumes 40 ml of water in 1 hour, diffuse essential can be used intermittently for 15 hours.Easy to Use and Safe The cool mist diffuser can be tilted to use, the humidifier purifier provide fresh and clean air,moisturize the dry skin, improve skin dry peeling.It can keeps your living space clean and properly moisturized,you can enjoy moisturize environment leisurely,Ideal for bedroom, living room, office, spa, Yoga.Whisper Quiet Diffuser : Quiet operation with a noise level as low 20db.Low noise and low consumption make it perfect for sleeping,working,reading time and drive.SpecificationProduct Size :4.37*3.38*5.78 in Net weight of product: 225g Operating Voltage: DC5V Operating Power: 1.5-2W Water tank capacity: 420ml Spray Volume: 45-50ml/H Quality: ABS/PP/electronic components How to Exchange the Cotton Swab:1.Pull out the cotton pipe exchange the cotton pipe. 2.Please pay attention to the botton spring during exchange. Note: 1.This product can add a small amount of flavor,it is recommended to use water-based aromatherapy water,can not add oily essential oi