Features: It uses vibrating sound waves to create a soothing, scented mist. Just add a few drops of your favorite oil to the water tank, turn on the diffuser and relax. 7 different colors LED night light, set the perfect mood for you and your guests. create a powerful experience that soothes all your senses. Humidify your living space to prevent dry, stuffy air and flu/cold germs infecting your loved ones. Prevent dry and chapped skin in dry winter months. Description: It is a natural air purifier and humidifer, helping you breathe easier year-round. Let our ultrasonic diffuser gently vaporizes your favorite essential oils and preserves their most powerful effects. Ideal for home / office /bedroom / living room/study/yoga/office/spa. Specifications: Plug Type: US Standard Size:133x133x100mm Material: Plastic Input voltage: 100-240V Rated Power: 12W Light Color: 7 Color-changing Applicable area: 31-40 square meters Noise: 36dB below Water Tank: 300ML Ultrasonic Frequency: 2.4Mhz Package Includes: 1 x Oil Diffuser 1 x Charger Adaptor 1 x Manual Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Due to personal measurement technique is different, there may be 1-3 cm error of the physical.Thank you!