Low Noise - This aroma diffuser produces a sound less than 36dB, it has no beep button to disturb your sleep or rest. 3-color LED: 3°C Application range: humidification 25-30㎡ Working time: up to 9-10 hours 3 Timer Settings - The diffuser has 4 adjustable working modes (1 hour / 3 hours / 6 hours), you can choose different time mode according to your needs. Spray Conversion - You can achieve continuous and intermittent spray, large mist and small mist change. It can increase humidity and improve air quality. It is suitable for bedrooms, offices, living rooms, yoga, spas, baby rooms, etc. Automatic shutdown - The humidifier can hold up to 500 ml of water and the power will be automatically turned off after the water runs out, which is safe and reliable. The use of materials without bisphenol A does not emit any harmful odor and allows you to have a comfortable and healthy life. Note: The data is all measured manually, please allow 1-3 cm error due to the difference in light and display