Features:

• Prevent greenhouse overheating.
  
• Ideal for your greenhouse window--opens and closes your greenhouse window.
• As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
• Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.
• Can be clamped onto or screwed onto your greenhouse frame.

Specifications:

Greenhouse Window Opener Kit

Material: Aluminum Alloy

Maximum window opening: 45cm
Maximum opening about: 30°, depending on adjustment and load
Maximum opening weight: 7kg/15lb

Adjustable open temperature range: 20°- 25°/68°-77F

Size: 38 x 9.5 x 9.5 cm / 14.96 x 3.74 x 3.74 inch (appr.)

Package:
1 x Automatic Window Opener Kit

Notes:

• Do not use this opener anywhere the temperature will exceed 50° (122F)
• Please ensure your greenhouse window can be opened freely by at least 45cm (18")
• Do not apply excessive loads by locking or covering window
• Do not dismantle the cylinder
• The opener CANNOT stop by manual
• Monitorsare not calibrated same, item color displayed in photos may be showingslightly different from the real object. Please take the real one asstandard.