Select speed (1-low, 2-medium or 3-high). Placing the IN/OUT switch in the center (neutral) position can turn off fan blade.
This air vent from Fantastic has a built-in thermostat. The fan will operate at one of three pre-selected speeds when the thermostat calls for cooler air. Once the thermostat is satisfied, the fan shuts off automatically. Designed to ensure consistent temperatures. Perfect for use when you leave your pets behind or while sleeping.
Two-year limited warranty (lifetime warranty on exterior dome) against defects in materials and workmanship when installed and operated according to instructions.