Bluetooth Aromatherapy Diffuser Atomization Smart Scent Air Machine Essential Oil Diffuser for Home Hotel Spa Office 1000ml Water Tank 100‑240V EU Plug Item Type: Bluetooth Aromatherapy Diffuser Material: Plastic, Stainless Steel Weight: Approx. 4700g/165.8oz Size: Approx. 15x10.6x57.5cm / 5.9x4.2x22.6in Essential Oil Bottle Capacity (Without Liquid Delivery): 1000ml Power: 12W Coverage: 2700m³ Installation: Flat, Wall Mounted Operation Mode: App Remote Control Scene: Car, Hotel, Family, Physical Therapy Tube, Hot Spring Resort, Sauna, Spa, Ktv, Leisure Clubs Cleaning the Machine: Cleaning of the Machine Is Required When the Following Conditions Have Occurred 1. You Are Start to Switch to Another Essential Oil 2. The Amount of Atomization Is Getting Weaker and Weaker Cleaning Procedure: 1. Remove the Atomization Head and Twist off the Bottle 2. Fill the Essential Oil Bottle with a Suitable Amount of Alcohol and Apply It to the Device for 5-10 Atomizations to Prevents Smell Transfer 3. Let Dry and Finish Cleaning