This Aroma Diffuser produce ultra fine and smooth uniform aromatherapy mist. Use with EcoGecko essential oils and all your favorite oils. Adjustable Mist & Wide Area – Mist output amount is adjustable, from a gentle to a strong mist. Whisper Quiet Operation – Operates with a High quality fan for mist spreading, and runs very quietly-35dB, so it won't disturb your relaxation. Auto Shut-Off – When the water runs out, the diffuser will be shut off automatically by its built-in detector. Night light – 7 Color Changing Mood Light, each of which has Bright and Dim mode, and could be set steady on. It creates a relaxing ambiance and soft night glow for your environment. Colors including variations of: Red, Green, Yellow, Blue, Purple. Ultrasonic Diffusing Technology - Different form traditional way of heating through combustion type hot fog, the Ultrasonic Diffusing Technology does not harm the essential oil of any ingredients. This allows you to achieve higher quality aromatherapy. 4 Timer Option: Continuous/1Hour/2Hour/3Hour timer (can set strong/weak mist on each timer mode).