Ideal for home, greenhouses, garages, workshops and other areas where a heavy-duty portable wall fan can be used. Fan category: wall fan Control method: mechanical Air supply type: shaking head Blade Diameter: 50cm/65CM/ 75CM Power: 90W/110W/130W Rotating speed:1400r/min Precautions: 1. There may be physical errors in product size when measuring manually. 2. Due to strong light, this product will have a certain color difference. This is normal and inevitable. thank you for understanding! 3.Delivery Time 10-15 days.Please contact us if you cannot receive the order after 30 days. 4.If you have any questions, you can get in touch with us by email, we will give you a satisfactory answer within 24 hours; We have a variety of styles of Industrial fan. If you have time, welcome to our shop to buy, we will do our best to serve you.