4L Wireless Humidifier USB Oil Diffuser with Night Light 1. 4L large capacity, say goodbye to frequent water refills 2. 360-degree all-round high-pressure mist, the water mist is fine and soft, and does not wet the table 3. Intelligent constant humidity, worry-free and energy-saving: it stops working when the indoor humidity reaches 60%, automatically adjusts the size of the water mist, and always provides you with a comfortable environment. 4. In view of the problem of bacterial growth in water tanks that are prone to long-term water storage, silver ion antibacterial materials are used inside the water tank to ensure the health of the water storage and release clean water mist to protect your health and humidification. 5. Using a low-noise fan and dual noise reduction structure design, the working sound is as low as 38dB, which is equivalent to the slight wind sound in the woods. 6. Mist output: 250mlh 7. Power supply mode: USB plug-in 8. Product size: 195 x 180mm 9. Product net weight: 650g ?