1. LED and Timer: The 7 color LED and water mist in the diffuser create a unique effect; There are 4 timing modes, ON, 1H, 3H, 5H, with noise less than 25db, ensuring a warm and comfortable sleep environment 2. Secure Design: This air diffuser is equipped with a 300ml water tank, with adjustable cool mist mode. When the time is up or there is no water, it will automatically shut down, ensuring secure and efficient use 3. Silent Running: Using a silent fan, this home humidifier provides quiet running with a noise level below 25dB, allowing you to enjoy a relaxed and fragrant ambiance in your space at any time 4. : The mist and light functions of this fragrance diffuser work separately, allowing you to turn off the light while sleeping at night, or use it as a night light, suitable for reading, sleeping, working, or meditation