Erin 1.3 Liter Aromatherapy Cool Mist Ultrasonic Humidifiers, Essential Oil Aroma Diffusers No Noise 7 Color LED Lights with Automatic Shut off Function ,UL ETL Safety Approval for Children 5 in 1 Functions: Aromatherapy diffuser,Humidifier,Air Purifier,Ionizer,and Mood Light in one. Microporous Filter Cartridge filters out microorganisms and negative ions from water for a cleaner and healthier vaporizer humidifier mist 7 Color LED lights:The light can be set to cycle through all seven colors or simply set it to your favorite ,and You can also turn off the lights with continuous pressing.Great night light for young children scared of the dark at bedtime Aroma Diffuser :The unit allows you to diffuse your favorite essential oil Waterless Auto Off: Auto shut-off when water runs out for safety with long lasting working time. Operates up to 10 hours on a full tank of water The humidifier without Filter and it is extremely quiet without annoying noise ,it won't disturb you when you sleep or at work