Automatic window opener for greenhouses and garden sheds. Opens and closes via temperature control.

【Automatic Temperature Control】: This greenhouse window cover maintains an optimal growing temperature in your greenhouse. It automatically opens and closes the greenhouse window when the temperature changes, preventing overheating and ensuring the best conditions for your plants. 【Solar Powered】: This non-electric automatic window cover uses solar energy, making it environmentally friendly and energy-efficient. It uses solar power to open or close the greenhouse vents according to temperature fluctuations, eliminating the need for manual adjustments. 【Easy Installation】: The automatic greenhouse opener can be easily tightened and screwed onto your greenhouse frame, allowing for a secure and hassle-free installation process. It fits most standard greenhouse windows, offering a practical and versatile solution for temperature control. 【Wide Window Opening Range】: With a maximum window opening of 45cm and an adjustable opening temperature range of 15° to 25°, this opener offers flexibility to adapt to different greenhouse sizes and temperature preferences. 【Durable and Safe】: The door opener is designed to support a maximum opening weight of 7kg/15l and guarantees safe operation. It is built to withstand various weather conditions and includes precautions against excessive loads and disassembly. Specifications: Greenhouse Window Opening Kit Maximum Window Opening 45cm Maximum Opening Approximately 30°, depending on the setting and load Maximum Opening Weight 7kg/15lb Adjustable Open Temperature Range 15°-25°/60°-77F Package Contents: 1 Automatic Window Opener Kit/Replacement Window Opener Cylinder (you can choose whichever you want) Notes: Do not use this door opener anywhere the temperature will exceed 50° (122°F) Please ensure that your greenhouse window can be opened freely at least 45cm (18"). Do not apply excessive force when locking or covering the window. Do not disassemble the cylinder. The door opener CANNOT be stopped manually. Monitors are not calibrated the same way; the color of the item shown in the photos may be slightly different from the actual object. Please take the actual product as the standard.