El invernadero de doble muelle está equipado con un sistema automático de apertura de ventanas activado por sensor que detecta el calor solar.

Double Spring Automatic Greenhouse Window Opener (Solar Heat Sensing) Product Description. Important Notes: 1. The automatic greenhouse ventilation system cannot be used when the temperature is above 50°F (122°C). 2. Please ensure the greenhouse window can be opened properly. Specifications: Maximum opening height: Approximately 45 cm. Temperature when fully open: Approximately 30°C (depending on settings and load). Maximum load capacity: 7 kg/15 lbs. Adjustable opening temperature: 16°C to 25°C. Note: After receiving the product in summer, please refrigerate the black rod for at least 5 minutes to allow the spring to fully retract before assembly. Colors: Black and silver. Material: Aluminum alloy. Package Contents: 1 x Automatic Window Opener Kit. Only items described above are included. Note: Due to reflections and monitor settings, the color of the product in the photo may differ slightly from the actual product. The error range is +/- 1 to 3 cm.