Industrial ceiling fans are durable and can be used in industrial, commercial and residential applications. specification: Ceiling fan classification: industrial ceiling fan Color: white, black, wood color Wind speed gear: 3 gears Number of blades: 3 Rotary leaf material: plastic Is there a reversal function: None Diameter: 106cm/42in, 120cm/48in, 140cm/56in Usable area: 6?-12?, 12?-20?, 20?-30? Rated power: 60W, 70W, 80W Rated voltage: 220v Control type: wall switch, remote control Note: There may be slight errors in manual measurement, and the color of the shot may be slightly different, please understand If you are very satisfied with our products! Please don't forget to give us a five-star compliment~ We will be very grateful~ wish you a happy life!