Product Features : 1. Blade size: 180mm 2. Rated Power: 100V 50/60Hz; 220V 50Hz 120v 60Hz;230V 50Hz 3. Two grades wind speed optional 4. 110 degree oscillation flowing 5. Sleeping lamp 6. Producing ozone and negative ion 7. With time clock 8. Color: Pink, green, blue, black 9. Patented