1. copper fan motor, with best quality. 2. suitable for29' tower fan 3. motor size:71*16 4, professional fan motor supplier 1. material copper can also choose aluminum and cooper with aluminum 2.motor size71*162.Rate of Votage220V, 110V 3.Rate of Frquency60HZ, 40HZ 4.Output power40W5. Packing 20pcs/ CTNPacking size: 56*35.5*21cm fan motor fan motor