Name: Industrial fan Color: Blackp Operation: mechanical Gear position: 3 gear adjustment Frequency: 50Hz Voltage: 220V Need simple assembly ☀Welcome to our shop! There are many styles in our store, you can go to the store to browse. [Precautions] When measuring manually, there may be physical errors in the product size. Due to the intensity of light, this product will have a certain color difference. This is normal and inevitable. Thank you for your understanding! Delivery time is 10-20 days. If you do not receive the order within 30 days, please contact us.