Automatic ventilation opener for elevators, standard greenhouse opener sensitive to solar heat, greenhouse window opener, automatic heat-sensitive greenhouse roof vent

1. Ideal for your greenhouse window - opens and closes your greenhouse window. 2. Since the temperature changes automatically, the best growth temperature is maintained and your greenhouse is protected from overheating. 3. Non-electric, uses solar energy, opens or closes the greenhouse ventilation openings when the temperature rises or falls. 4. Can be fixed or screwed onto your greenhouse frame. 5. Prevents greenhouse overheating. Features: Prevents greenhouse overheating. Ideal for your greenhouse window - opens and closes your greenhouse window. Since the temperature changes automatically, the best growth temperature is maintained and your greenhouse is protected from overheating. Non-electric, uses solar power, opens or closes greenhouse vents as the temperature rises or falls. Can be fixed or screwed onto your greenhouse frame. Features: Greenhouse window opener kit. Material: Aluminum alloy. Maximum window opening: 45cm. Maximum opening angle: Approximately 30°, depending on the setting and load. Maximum opening weight: 7kg. Adjustable opening temperature range: 20-25°C / 68-77°F. Dimensions: Approximately 38 x 9.5 x 5cm. Contents: 1 automatic window opener kit/replacement cylinder for greenhouse window opener (you can choose whichever you prefer). Notes: Do not use this opener in areas where the temperature exceeds 50°C. Please ensure your greenhouse window can be opened freely at least 45cm. Do not disassemble the cylinder. The can opener cannot be stopped manually. Screens are not calibrated the same way; the color of the item shown in the photos may be slightly different from the actual item. [Superior Quality] - This automatic window damper is made of high-quality anodized aluminum. The painted aluminum frame looks shinier, is durable, and rustproof. [Automatic Greenhouse Damper] - When the temperature changes, this automatic window damper opens and closes your greenhouse ventilation to maintain the best growing temperature and prevent your greenhouse from overheating. [Environmentally Friendly] - Non-electric, uses solar energy, opens or closes the greenhouse window when the temperature rises. This automatic, solar-sensitive bottle opener can lift up to 15 kg. The cylinder closes well before the gate opens easily again. [Operating Conditions] - Opens at 15°C-25°C (59-77°F); Fully open temperature at 30°C (86°F) or higher; Fully open distance: 45 cm (18 inches). The automatic bottle opener kit for greenhouses shuts off completely when the temperature drops below 59°C (15°F). Maximum load: 7 to 15 kg. Warm Tips: Do not use this automatic bottle opener in locations where the temperature exceeds 45°C (122°F).