Product parameters:
Automatic window opener designed for greenhouse ventilation. The device is shown in black and silver, with an aluminum alloy structure. The maximum ventilation height is approximately 45 cm. The internal ventilation's maximum load capacity is 7 kg / 15 lbs. The opening temperature adjustment range is 16 to 25 degrees Celsius.

Core features:
This automatic opener is designed to support greenhouse window ventilation through temperature response. It includes a double spring structure and a heat-sensing rod as shown in the product image. The automatic ventilation temperature should be adjusted to 50 degrees Celsius or higher according to the specified information. After summer delivery, the black rod should be cooled for at least 5 minutes before installation so that the cylinder can be fully retracted.

Suitable scenarios:
Suitable for greenhouse windows, horticultural spaces, and agricultural ventilation applications where automatic opening support is needed. It is intended for internal ventilation use within the specified load capacity and temperature adjustment range.

Product summary:
This automatic greenhouse window opener combines an aluminum alloy frame, black and silver finish, temperature-responsive operation, and a double spring design. It is suitable for greenhouse and garden ventilation systems that require practical and structured window opening support.