Feature Highlights: 1. Universal Fit – Works with all types of greenhouses, including fastening materials. Easy to adjust the opening angle as needed. 2. Temperature-Controlled Operation – Automatically opens or closes the greenhouse window as temperatures rise or fall. No electricity required. 3. Easy Installation – Simple, hassle-free setup in standard greenhouses. No tools or technical skills needed. 4. Solar-Powered & Reliable – Uses solar energy for operation. The piston moves based on temperature to provide fully automatic venting. 5. Durable Build – Made from stainless steel, sturdy and built to last. Do not use in areas where temperature exceeds 50°C (122°F). Product Details: This automatic window opener is designed for wood or aluminum greenhouses. It lifts and closes vents smoothly depending on the temperature—helping regulate airflow without any electricity. The opening angle can be easily adjusted to suit your needs. Ideal for maintaining a stable growing environment, it’s perfect for gardeners who want a hands-free, energy-efficient solution. Specifications: - Lifting Capacity: Max. 14 kg - Lifting Height: Max. 45 cm - Temperature Range: 16°C to 35°C - Dimensions (L x W x H): 37.5 cm x 9.5 cm x 5.5 cm - Weight: 650 g - Color: Silver - Material: Stainless Steel Package Includes: 1 × Window Opener (Only the items listed above are included. Other products are not part of the package.) Note: Slight color variations may occur due to lighting and screen differences. Measurements may have an error margin of +/- 1–3 cm.