1 x Automatic Window Opener Kit - Vent Autovent Solar Heat Sensitive Automatic Greenhouses Roof

• SUITABLE FOR MOST GREENHOUSES: With a weight capacity of up to 7kg/15lb, the automatic vent opener is suitable for most greenhouse windows.
• AUTOMATIC OPENING/CLOSING: The greenhouse window opener opens and closes automatically by thermal sensing of temperature, it utilises solar energy and does not consume any electricity, energy saving and environmentally protection.
• AUTOMATIC ADJUSTMENT: Automatically adjusts the temperature from 20 to 25°C (68 - 77 ° F), which maintains the optimal growing temperature and prevents the greenhouse from overheating as the temperature changes automatically.
• EASY INSTALLATION: The greenhouse opener is easy to install and can be clipped onto the greenhouse frame or screwed in place.
• WARM TIPS: Do not use this opener anywhere where the temperature exceeds 50° (122F); Make sure your greenhouse window can be opened freely by at least 45 cm (18 inches); Do not apply excessive loads by locking or covering the window; Do not dismantle the cylinder; The opener cannot be manually stopped.

Safety Warning Do not use this opener where temperature exceeds 50°C (122°F); Ensure greenhouse window can open freely by at least 45 cm (18 inches); Avoid applying excessive loads by locking or covering the window.