It’s quiet and making this the perfect portable aroma diffuser companion. When water runs low, adds to safety, energy efficiency, and peace of mind- especially for use at night. And it is easy to use, just fill with water and add of your favorite essential oil. Feature - ColorBeige - Material: PP. - Size: Approx. 13x 13x10cm. : USB, Function: Applicable area : 10-20 square meters Noise: below 36dB Water tank capacity: 150ml Water shortage protection: Support Product voltage: DC5V Lighting: Colorful lights slowly change - Turn on the light: Press the left button to turn on the light once, that is, turn on the LED light, the color of the light will automatically change slowly, and the color will change continuously; press the to keep the color in the current display unchanged; then press each one to adjust one Color until the light function is turned off; if the customer wants to turn off the light directly after turning on the power, press and hold the light for 1 second. - Spray: Press the right button [MIST] spray to open the spray function, press the right button once, the fog will be emitted for a long time, and the indicator light will be on; press the second button to close the fog, the indicator light will be turned off; - If you use the spray and lighting functions at the same time, you must manually turn off the one function. - Automatic power outage due to of water Package list: 1 x Humidifier 1 x manual 1 x bubble bag 1 x USB socket data cable