7-Color Night Light: Long the button for 2 seconds to turn on the night light; long the button again for 2 seconds to turn off the night light. With an auto-off function, the humidifier automatically power off after 12 hours of operation and you need to turn it on again. Versatile and Practical: control of mist and light allows for customized use. Turn off the light and fall asleep peacefully, or use the diffuser as a soothing night light. Perfect for creating a relaxing environment while reading, working, or practicing yoga. Ultra-Quiet Fan Technology: Our humidifier works with a noise quieter than a whisper, ensuring a quiet environment. Perfect for relaxation and aromatherapy, allowing you to enjoy a peaceful atmosphere without being by noise. Enhanced Sleep Mode: You can enjoy uninterrupted sleep with our bedroom humidifier that maintains the desired humidity level. It features a water shortage indicator that reminds you by flashing when the water level is low, and automatically shuts off to prevent dry burn damage. 2L large capacity humidifier supports better exercise and health, the humidifier allows you to rest while humidifying the room for more comfortable air when you exercise.