... great metal structure 2.New DC motor,power consumption 5.5W 3.2800RPM,14.5CM blades New energy saving electric houshold table fanPower ... .2800RPM speed,145mm blade diameter, 3 aluminum blades ,new DC brushless motor, super strong wind, quite.2.200V/50Hz or 110V/ ... safe.3.New generation of DC brushless technique, lower running voltage and current, power just 5.5W, energy saving.4.Fan's life can ...