This automatic greenhouse window opener is designed to maintain growing conditions by adjusting vents based on temperature changes. Powered by solar energy, it eliminates the need for electricity while preventing overheating. Crafted from durable galvanized plate, it ensures performance in outdoor settings. Easy to install with included fittings and manual, it be clamped or screwed onto greenhouse frames for versatile use. for gardeners seeking ventilation . 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, ensuring optimal growing conditions for plants -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, allowing for quick setup on greenhouse frames -Versatile Mounting: be securely clamped or screwed onto various greenhouse frame designs for stable performance -Durable Material: Made from galvanized plate for use, resisting wear and tear in outdoor environments Package list: 1 x Automatic Vent Opener