Greenhouse window opener, automatic vent, solar heat-sensitive automatic greenhouse roof

Features:1.Ideal for your greenhouse window - opens and closes your greenhouse window.
2.As the temperature changes automatically, it maintains the best growing temperature and prevents your greenhouse from overheating.
3.Non-electric, uses solar power, opens or closes the greenhouse vents as the temperature rises or falls.
4.Can be fixed or screwed onto your greenhouse frame.
5.Prevents greenhouse overheating.
Specifications:Features:
Prevents greenhouse overheating.
Ideal for your greenhouse window - opens and closes your greenhouse window.
As the temperature changes automatically, it maintains the optimal growing temperature and prevents your greenhouse from overheating.
Non-electric, uses solar energy, and opens or closes the greenhouse vents as the temperature rises or falls.
Can be fixed or screwed onto your greenhouse frame.
Specifications:
Greenhouse Window Opening Kit
Material: Aluminum Alloy
Fully adjustable between 20-25°C (68-77°F)
Maximum window opening: 45 cm/18 inches
Maximum opening weight: 7 kg/15 lb
Size: approx. 38 x 9.5 x 5 cm / 15.0 x 3.7 x 2.0 inches
Contents:
1 x Automatic Window Opener Kit
Notes:
Do not use this opener anywhere the temperature will exceed 50° (122°F)
Please ensure your greenhouse window can be opened freely at least 45 cm (18")
Do not apply excessive loads by locking or covering the window
Do not disassemble the cylinder
The opener CANNOT be stopped manually
Monitors are not calibrated the same way, item color displayed in photos may be slightly different from the actual object.Please take the real one as standard.