OPOLAR Wall Mount Fan, Oscillating Wall Mounted Fan, for Families, Garage, Grow TentWide angle air supply: The fan can be adjusted 90 degrees left and right and 45 degrees up and down to achieve a wide range of air supply and provide you with a powerful cooling air flow when needed. Wind speed adjustment: high speed, medium speed, low speed setting, can produce ideal wind speed according to needs, heat dissipation without dead angle Low noise operation: High performance motor, running sound and low noise, will not disturb your work