Three mechanical gears / Five mechanical gears 
 
Product sizes: 420*500*1400mm / 400*500*1280mm
Packaging sizes: 540*240*520mm / 540*270*520mm
Gross weights per unit: 6.4kg / 10.2kg
Net weights per unit: 6.2kg / 9.3kg
Rated power: 60W / 140W
Maximum air volume:1329m³/h, 
Wind speed: 7-8m/s,
Distance: 5-8m