Feature 1Efficient Diffusion: With a built in swirling fan, this ceiling mounted BT aroma diffuser provides rapid and uniform spread of aroma, covering every corner within seconds. 2Adjustable Level: With 10 customizable settings, easily adjust the concentration of the aroma to your preference, without wasting a single drop of essential oil. 3Long Lasting Aromatherapy: The design of a large 250ml essential oil bottle allows for a prolonged and worry free aroma experience, providing a comforting and relaxing ambiance. 4BT Smart Connectivity: Connect effortlessly via the app, eliminating the hassle of manual operation and enabling customizable work schedules for a seamless and enjoyable aromatic life. 5Versatile Installation Options: This wall mounted aromatherapy machine can also be easily installed on an air vent or simply wall mount, offering flexible usage in various spaces and environments.Item Type: Essential oil diffuserMaterial: PlasticWeight: Approx. 1277g / 45ozProduct Size: 150x128mm / 5.9x5in Voltage: 100-240VCoverage: 200 sq meters / 656.2 sq ftFunction: Aroma diffuserInstall: Wall mountControl: BT connectionCapacity: 250ml(essential oil not included)Application: Hotel, family, hot spring resort, sauna, SPA, KTV, leisure clubsTrouble and Solutions:No Atomization:1. Check if the batteries are securely in place and adequately charged, and ensure correct installation.2. Verify if the machine is set to "non working period" mode, which may pause atomization.3. Inspect if the air pump is damaged.4. Check if the sealing ring on the air outlet pipe is broken or detached.Weak Atomization:1. Clean or replace the atomizer core if it is clogged.2. Replace the sealing washer on the atomizer head if it is missing or damaged.3. Reconnect the air pipe if it has come loose from the atomizer head.Oil Leakage:1. Ensure the bottle is tightly secured and properly installed.2. Replace the damaged or missing sealing gasket inside the atomizer head.Liquid Spraying:1. Replace the damaged atomizer head.2. Place the machine upright or flat to prevent improper spraying.Abnormal Noise:1. Secure the loose air pump firmly in place.2. Replace the damaged air pump. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Essential Oil Diffuser4 x Strap3 x Accessory12 x Screw4 x Nail4 x Expansion Tube1 x Manual1 x Adapter