Автоматический оконный открыватель, открыватель окна для теплицы в саду, чувствительный к солнечному нагреву

Bullet Points:
1.Automatic Opener: Maintains the best-growing temperature, Greenhouse Window Opener prevents your greenhouse from overheating, and automatically opens and closes your greenhouse vent panels when the temperature rises.
2.Quick Installation: Can lift up to 15 lbs, Automatic Window Opener starts opening between 65 to 80F, and easy to be screwed directly into polycarbonate panels, wood, or metal frames.
3.Heat-Sensitive Window Openers: Uses solar energy only, Automatic Vent Opener requires no batteries or electrical power, as the fluid-filled cylinders expand in warm temperatures, and do not consume any power.
4.Ready to Use: Automatic Greenhouse Opener can be adjusted simply, raise or lower the temperature setting with a simple twist of the cylinder, handy to use.
5.Diverse Applications: An ideal replacement for a manual vent arm, Automatic Roof Vent Opener is made of excellent materials with strong and better withstand wind, suitable for most greenhouses.