General description Essential Oil Diffuser with a 400ml capacity is designed to enhance your home, yoga, office, or spa environment. This ultrasonic humidifier is BPA free, making it safe for children and pregnant women. It effectively refreshes and hydrates the air in rooms ranging from 20 to 40 m², providing a pleasant atmosphere and purified fresh air. Technical specifications Capacity: 400 ml Effective range of remote control: 3 m Working time: up to 10 hours Power source for remote control: 3V CR2025 button battery (included) Usage For aromatherapy, add 3-5 drops of essential oil. Choose between continuous and intermittent spray modes. Adjust the brightness of the variable color LED light. Set the timer for 1H, 3H, 6H, or ON. Automatically turns off when water runs out. Other information Quiet operation for a peaceful environment. Easy to clean and maintain; no filter fluid required.