Feature: 1. Smart Safety: The humidifier features an automatic power off function that shuts down the machine and displays red lighting when it runs out of water, ensuring the safety of your family. 2. Refreshing Aromatherapy: With the aromatherapy tray, you can add your favorite essential oils to the water, creating a spa like aroma that relieves stress and uplifts your mood. 3. Easy Control: With its 4L large capacity and continuous operation, this humidifier is perfect for humidifying spacious areas. The stepless mist control knob allows you to easily customize the mist output according to your preference, making it user friendly for the elderly and children. 4. Quiet Operation: Operating at low decibels, this cool mist humidifier runs quietly, making it suitable for use in baby rooms and bedrooms. It is also ideal for environments such as greenhouses and offices. 5. Easy Cleaning: The top‑fill design of this aroma diffuser humidifier makes it easy to add water to the tank without any need for flipping. The wide mouth tank allows for easy water filling without spills and can be thoroughly cleaned with a damp cloth. Specification: Item Type: Aroma Diffuser Humidifier Material: ABS, PP Weight: Approx. 1125.00g/39.68oz Capacity: 4L Voltage: 220V EU Plug Product Size: Approx. 16x16x37cm/6.3x6.3x14.6in. Package List: 1 x Aroma Diffuser Humidifier 1 x User Manual