Features: Ultrasonic Humidifier and Aroma diffuserThis humidifiers can rinse the air, releasee oxygen and filter impurities to moisturize your skin and improve your sleep. Add essential oils into the diffuser to make your room emit a clean and fresh fragrance. Large Capacity and Auto Standby Mode4L large-capacity water tank allows for 12 to 30 hours of continuous use without adding water frequently.When the water leve is low, humidifier will go back to standby mode to prevent damage to the device. Easy to Refill and Clean and Visible TankThe top filling design offer a more convenient way to add water. Wide opening design allows for easy cleaning. Transparent water tank can see the water level clearly. Sleep Mode and Ultra QuietPress the humidity key for 3s to go to sleep mode. Super quiet operation and run-dry protection that let you rest assured to sleep soundly. Adjustable Mist Levels and Dual NozzleOffer 3 different mist output levels to meet your needs. 360rotating nozzle ensures even humidity distribution.Extra retractable hose nozzle can offer humidity for greenhouse, plant or animal. Timer Setting and Remote ControlHumanized timing setting for 1 or 2 or 4 or 8 . Come with a remote control, convenient to operate from a distance. Constant Humidity ModeYou can set the humidity from 45-90 percent . Detecting the surrounding humidity in real time and will automatically turn on or off to maintain the desired humidity level. Specification: Material: ABS Color: White Capacity: 4L Voltage: 110V(US Plug), 220V(EU Plug),220V(UK Plug) Ultrasonic Frequency: 1.7 Million or s Maximum Output: 280ML or H Working Noise: 35dB(A) Power Cord Length: 1.2m Product Size: 19.5x19.5x27cm or 7.68 x 7.68 x 10.63in Product Weight: 1200g or 2.65lb Packing List: 1 x Humidifier 2 x Sucker 1 x Hose Nozzle 1 x User Manual