High quality iron material,hard to deformation and with long service life. baking varnish technology,more attractive,and not rusty. Seven blades,stronger suction,enhance ventilation pressure Ultra-quiet copper motor,powerful,effective cooling,fast speed and ultra-quiet.With anti-backflow vent,windproof and rainproof. uitable for office,living room,toilet,kitchen,room. color:White material:metal Product size:13.5x13.5x8cm Package Contents: 1 x Ventilation fans Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.