[Solar Powered] A mechanical system activated by heat that requires no batteries or electricity and uses solar energy to open or close the greenhouse's vents as the temperature rises or falls.
[Automatic Temperature Control Sensor] Automatic temperature control sensor cylinders that allow roof vents to open and close at the appropriate time to ensure adequate airflow.
[Premium Material] Greenhouse window opener is made of aluminum and markless steel, which is weather secure for long term use.
[Quick Open And Close] Automatic vent opener opens and closes greenhouse window quickly and can be clipped or screwed onto your greenhouse frame.
[Prevent Overheating] With automatic temperature changes, the ideal growing temperature is maintained and the greenhouse is prevented from overheating.
