This 12 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Note: This exhaust fan does not come with a power cord and speed controller and thermostat. 120-Volt, 63-Watt, 0.52A,1750 rpm, 11M/S, 1800CFM, the black wire of the fan is connected to switch, the White wire of the fan is connected to Neutral and green wire to ground. INSTALLATION: Can easily be added to a window opening or opening in the wall to optimize cooling. Superior Airflow Transfer:1800 CFMRotating Speed:1750 RPMWind Speed: 11M/S Watt: 55-Watt Voltage: 120-Volt/60 Hz. Color: Silver. Material: Aluminum.