Essential Oil Diffuser : You can put 2-3 drops of essential oil (not included) in the Aromatherapy Diffuser to make the aroma pungent and add a warm and romantic atmosphere to the room. Automatic shutdown : The flame diffuser has a built-in water level sensor, when the water level is lower than the safe water level, it will automatically turn off the power.To create a safety and comfortable environment for you to relax and enjoy life. Simulated flame Ultrasonic Aromatherapy Essential Oil Diffuser : Prime Pick ultrasonic diffuser uses premium quality PP materials, The combination of flame night light and fog creates a realistic flame effect. Keep Away From Dry Air : Humidifier can help you improve your home's air quality and humidify the air, purify the air to remove the smell of pets or smoking, and protect you and your family from excessively dry air causing dry skin, dry throat, dust allergy and other problems and more! Compact Size for Space-saving : Without occupying much space.The travel humidifiers is small and lightweight, allowing you to take it wherever you go, ideal for your home, office, car, or travel. The portable humidifier improves the air quality and moisture content in the immediate vicinity while combating the harsh effects of dry air.