Simulation effect- warm atmosphere,soft lighting without dazzling. Aromatherapy diffuser-Can be added oil to spread the ,relaxed and soothing. Silent humidification-Noiseless without disturbing ,create comfortable sleep environment. Safe protection-Automatic power-off when the water used up to prevent dry burn. Delicate mist-Deeply moisturize and air,remove dryness and not wet the desktop. Water tank capacity: 200ml Atomization amount: 15-20ml/ Humidification :Mist Discharge Power (W):5w Voltage (V):5V Noise:Less than 36db Mist Outlet : One/a Installation:USB Water-shortage Power-off Protection:Yes Function:Aromatherapy Model Number: Diffuser Application:11-20 Humidity Control:Manual Power Type:USB Type:Ultrasonic Humidifier Shape:Classic Columnar Classification:Humidification Operation :Keyboard Type Feature 1:Ultrasonic Atomization Sprayer Feature 2: Oil Diffuser Feature 3: Fireplace Air Humidifier Feature 4:Samulated Warm Lighting Power Supply:Type-C Cable Plug in Use color:Black :ABS size:185 x 75 x 145mm Package Contents: 1 x diffuser 1 x usb cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.