Description: Crystal Salt Lamp: The oil diffuser comes with DIY outer cover and natural salt crystals from Himalayan Mountains. When using the diffusers for essential oils, it will release negative ions,Effectively removing peculiar smell in the air and purifying the air, creating a calming and soothing atmosphere. DIY Creative Ideas: The oil diffuser essential oils possesses DIY ideas, can fill all kinds colorful stones and crystal gravels, adding different beautiful materials to improve aesthetic fatigue and enjoy visual interest. Large Capacity < 1L: Our oil diffuser essential oils will last for 6H without adding water frequently. Atomization volume is 30-40dB, spray duration is about 10h. Multi-functional Ultrasonic Humidifier: Aroma diffuser, cool mist humidifier and night lamp are integrated to this smart diffuser, ultrasonic technology keep perfect balance of fragrance and cool mist which improves air quality and humidity, protecting your family from excessive dry season, dust, and more. 7 LED Mood Lights: Comes with 7 soothing colors, the overall design of fragrance diffuser looks like a ice bucket, the combination of continuous mist and different lights looks like the scene when the ice is melting, creating cool visual enjoyment. Specification: Material: ABS Size: 96.5x96.5x112.5mm/3.80x3.80x4.43inch Package Includes:(2 Pack) 1 Piece Essential Oil Diffuser