Humidifier -Ultrasonic Essential Oil Humidifier Diffuser Air Purifier 3000ML White Highlights generic brand Ultrasonic Essential Oil Humidifier Diffuser Air Purifier 3000ML White Description: ULTRASONIC COOL-MIST TECHNOLOGY: Safely moisturizes the air for up to 16 hours of single-nozzle spray and 8 hours of dual-nozzle spray so you can breathe easily and get more restful sleep. The double jet design can be adjusted according to weather conditions and environmental humidity to enjoy a comfortable humidity environment. 3 LITER WATER TANK: Provides perfect coverage for bedrooms, offices and other medium or large rooms OPTIONAL NIGHT LIGHT: Long press the spray button for 3 seconds to turn on the colorful night lights. Provides a soothing glow for maximum relaxation. CONVENIENT WATER ADDING: Refilling has never been easier! Just pull the lid gently, you can easily and quickly add tap water. SLEEP TIGHT: While you sleep soundly, our bedroom humidifiers hydrate the room at a sound level of 36dB. The unit is as quiet as clockwork. specification: Appling area: 21-30 Water tank capacity: 3 liters The number of mist vent: 2 Spray volume: single spray 35ml/H; 70ml/H double spray Plug interface: Micro USB Package includes: 1 piece humidifier Note: Water-soluble essential oils can be added, 3ml, but it is not recommended. The quality of essential oils is good or bad. If there are more impurities, the spray port will be blocked after a long time.