1,fan blade size:250mm fan weight:1.10kg 2,fan frequency:50hz pcs/ctn:10 pcs 3,meas: ... three ways of clip fan ,wall fan and desk fan.1,we have many sizes desk clip fan .2,low noise and ... life time .3,one year quality assurance.4,the fan motor is 100% brass .5,oem is accepted.6 ... is popular fan in school and office.7,free to adjust the angle,.8,the pole can rotate freely. mini cheapest oscillating fan