HIGH-EFFICIENT MOTOR: ECOMAX air mover provides up to 900 CFM air flow, through low current draw, suitable for water damage restoration and where drying is long time required. MULTIPLE USE: This powerful blower fan has 3 blowing angles (0 , 45 , 90 ) and 3-speed mode designed for various tasks, like drying, ventilation and dehumidifying, its nonskid feet provide operational stability. PORTABLE AND STACKABLE: 900CFM Air mover weighs only 9.7 pounds, sturdy handle for easy carrying and transportation, 10 ft power cord can be easily wrapped around the handle, stackable for convenient storage. SAFETY: Circuit breaker with reset button for safe operation, 2 power outlets with overload protection for safely connecting more units in daisy chain to widen blowing range, built-in timing switch can be always on or up to 3 hours to save energy.