This automatic greenhouse window opener is designed to regulate temperature by opening and closing vents as needed, ensuring plants thrive in conditions. Powered by solar energy, it eliminates the need for electricity while offering functionality. Crafted from durable galvanized plate, it withstands and provides reliable performance. The included fittings and installation manual make setup simple, while its versatile mounting options allow secure attachment to different greenhouse frames. Ideal for preventing overheating and maintaining a healthy growing environment. Features -Color:Assorted Color -Material:Galvanized Plate -Size:34.00X12.00X5.00cm/13.36X4.72X1.97in -Temperature Control: Automatically opens and greenhouse windows based on temperature changes to maintain optimal growing conditions -Solar-Powered Operation: Operates without electricity, utilizing solar energy to adjust vents as temperatures rise or fall -Easy Installation: Comes with fittings and a detailed installation manual for quick setup on greenhouse frames -Versatile Mounting: Can be securely clamped or screwed onto various greenhouse frame designs for stable and reliable use -Durable Material: Made from galvanized plate for performance and resistance to environmental wear and tear Package list: 3 x Automatic Vent Opener