metal desk fan: 1.,220V-240V/50HZ ,2.Speed:3 speed setting.3.4pcs aluminum blades ,4.Certification:CE/CB/GS/ROHS. 3 funtion : wall fan, table fan, stand fan ; Metal gill guard, Adjust height; Metal blade; Plastic base Stand Fan Series Adjustable Height, Safety Cross Base or round basePush-Pull Knob Control for Full-Room or..