Description Introducing the Royal iTurbo- 30 Watts Fans. Royal iTurbo – 30 Watts fans provide 20% more air while saving up to 75% of electric consumption, offer an unmatched 5-year PCB warranty with 4KV Surge Guard. Specifications Size: 56″ Sweep Size: 1400 mm Rated Power: 30 Watts (30W mode) Speed: 325 RPM Air Delivery: 245 m3/min Service Value: 7.03 m3/min/W Size: 56″ Sweep Size: 1400mm Rated Power: 42 Watts (iTurbo mode) Speed: 380 RPM Air Delivery: 300 m3/min Service Value: 8.22 m3/min/W Rated Frequency: 50Hz Insulation Class: 155