Product Information Used once for testing. 【Double Nozzle Desktop Humidifier】The ultrasonic humidifier diffuses water into mist using ultrasonic waves to humidify the room. Although compact, it has a large 280ml tank and can be used for up to approximately 8 hours. Recommended as a countermeasure against the dry season. Humidifying the room maintains a comfortable humidity level, preventing dry skin and throat, and also preventing illness. 【Quiet Design】 The operating noise of the aroma diffuser is approximately 25dB, quieter than a whisper. It won't disturb work or sleep when placed in the living room. It also has a convenient dry-burn prevention function, which automatically stops when the water runs out. You can use it with peace of mind when sleeping. 【Two Spray Modes】 You can select continuous spray mode with one press of the power button, and intermittent spray mode with two presses (3 seconds on, 3 seconds off). 【With Night Lamp Function】 Press and hold the light button for 3 seconds to activate the two-color night lamp.