Leading the new trend of modern agriculture, the greenhouse vent automatic opener set reshapes the standard of greenhouse management with excellent performance. Designed for a wide range of greenhouses with a load-bearing capacity of up to 15 lbs./7 kg, it is easy to cope with any demand. The use of solar thermal sensitive technology, when the temperature in the greenhouse exceeds 77°F/25°C, automatically open the vent, effective heat dissipation; Down to 59°F/15°C, automatic shutdown, intelligent adjustment, to ensure that the crop is always in the best growing environment. Material, we choose high quality galvanized steel, durable rust, long service life. What is more commendable is that it completely relies on solar energy, without batteries or external power supplies, green energy saving, reducing costs. Easy and quick to install with just a screwdriver, you can instantly enjoy the convenience of smart temperature control in your greenhouse. Make your greenhouse management more intelligent and efficient, help agricultural harvest, create a green future. Color: Metallic.