... 5.5W 3.2800RPM,14.5CM blades New energy saving electric houshold table fanPower source plug: RVVZ-2P ... 2800RPM speed,145mm blade diameter, 3 aluminum blades ,new DC brushless motor, super strong wind, quite.2 ... ) for power supply, metal shell, strict structure design and voltage protection test , the shell can be ... cool and refreshing, economic and practical. New energy saving electric houshold table fan