1.powerful wind; 2.remote controller, LED panel; 3.household or plant application; 4.low ... , more comfortable;4.Time-setting function;5.More convenient with remote controller;6.3-level wind speed: low, medium, high7.3 ... Making, Painting, Plastic, Clothes Making, Food Package etc.3). Others: Golf Court, Bakery, Playground, Hospital, School, Passenger Waiting Room, Supermarket, Restaurants ...