Automatic window opener (greenhouse) Yosoo automatic

This innovative greenhouse window opener requires no batteries or electricity as it uses solar energy. When there are temperature fluctuations, it automatically opens or closes the greenhouse's ventilation openings. This ensures that the optimal growth temperature is maintained and overheating is avoided. Easy installation with the included mounting accessories makes it convenient to use. The automatic window opener ensures an even temperature in the greenhouse around the clock and enables thermostatic ventilation via the skylight. skylight.