Product description   To create the utmost level of comfort for every family, we have improved our product to meet the needs and safety of our customers. The BAYKA humidifier is designed for use in large rooms of up to 10-30 m²/ 107-322 ft². Our humidifiers can be used in the bedroom, living room and office. Improve your air quality, hydrate your skin and relieve discomfort caused by dry respiratory tract. BAYKA humidifier provides you and your family a forest-like freshness and a healthy humidification experience.  Top Fill Mist Humidifier Compared with traditional methods of adding water to the bottom of the water tank, we use a more convenient and separable top fill water tank. This method is simpler as water can be added to the water tank by detaching it from the base and filling it by tap or by directly adding water to the top of the water tank with a container.  360° Rotatable Nozzle The top 360-degree rotating nozzle with the essential oil tray will deliver mist to every corner of the room. We suggest using a small amount of essential oil (about 3 drops). The essential oil should be dropped on the sponge ring in the essential oil tray. Do not add too much essential oil in the tray to avoid the overflow of essential oil and water tank corrosion.  Three Mist Levels There are High/Medium/Low mist levels which can be adjusted according to your individual needs. The large 4L capacity water tank lasts 15 - 28 hours of continuous operation.  Touch Panel The waterproof touch panel is more durable and safer than traditional control buttons. Turn off the nightlight by pressing the touch panel for 3s.  Invisible drainage gaps for draining water from the tank.  4.5” x 2.8” water inlet allows you to hand clean the tank.  Flat base surface allows for easy drying with a towel.  Three reasons why the red light displays: 1. The water flowing into the base is not enough when the water tank is placed on the base. ( A sufficient amount of water...