Wind turbine that adapts to the wind speed and wind direction. Looks like the real model. ENERCON E-40/5.40 48m: Price: $433.575 Income per hour: $525 Daily upkeep: $80 ENERCON E-40/5.40 65m: Price: $459.140 Income per hour: $555 Daily upkeep: $80 Vestas V44 40m: Price: $494.930 Income per hour: $634 Daily upkeep: $85 Vestas V44 50m: Price: $500.043 Income per hour: $654 Daily upkeep: $85 Vestas V44 65m: Price: $530.720 Income per hour: $674 Daily upkeep: $85