Feature: 1. Efficient 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. 2. Adjustable Level: With 10 customizable settings, easily adjust the concentration of the aroma to your preference, without wasting a single drop of essential oil. 3. Long 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. 4. BT 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. 5. Versatile 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. Specification: Item Type: Essential oil diffuser Material: Plastic Weight: Approx. 1277g / 45oz Product Size: 150x200mm / 5.9x7.9in Voltage: 100-240V Coverage: 60m³/180m³ Function: Aroma diffuser Install: Wall mount Control: BT connection Capacity: 250ml(essential oil not included) Application: Hotel, family, hot spring resort, sauna, SPA, KTV, leisure clubs Trouble 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. . Package List: 1 x Essential Oil Diffuser4 x Strap3 x Accessory12 x Screw4 x Nail4 x Expansion Tube1 x Manual1 x Adapter