The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Why ceiling fans don't move enough air？ First , please check if rotation of the ceiling fan is reversed, and secondly, please check if the fan blades are installed backwards.If this is still confusing, please contact seller . How to do if some parts of ceiling fan are damaged or lost during installation or transportation? Please contact the seller on the order page to send you a replacement. Why doesn't the fan work after installation? What should I do ? Please check if the wiring is correct? Is the terminal of wires on the motor loose? If it is still not work, please contact seller to get a new receiver and remote.