Haofy Greenhouse Auto Window Opener, Solar Heat Sensitive Auto Window Vent Opener Temperature Controlled Window Opener for Sheds and Greenhouse

• 【Working Conditions】Start to open - 15°c - 25°c (60°-77F); Fully open temperature is about 30°; Maximum window opening approximately 45cm/18'', depending on adjustment and load.
• 【Working Conditions】Start to open - 15°c - 25°c (60°-77F); Fully open temperature is about 30°; Maximum window opening approximately 45cm/18'', depending on adjustment and load.
• 【Working Conditions】Start to open - 15°c - 25°c (60°-77F); Fully open temperature is about 30°; Maximum window opening approximately 45cm/18'', depending on adjustment and load.
• 【Working Conditions】Start to open - 15°c - 25°c (60°-77F); Fully open temperature is about 30°; Maximum window opening approximately 45cm/18'', depending on adjustment and load.
• 【No Electricity Needed】Uses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars.

Product description Specifications: Greenhouse Window Opener Kit Maximum window opening 45cm Maximum opening about 30°, depending on adjustment and load Maximum opening weight 7kg/15lb Adjustable open temperature range 15°- 25°/60°-77F Package: 1# Automatic Window Opener Kit / Replacement Greenhouse Window Opener Cylinder (You can choose what you want) Notes: Do not use this opener anywhere the temperature will exceed 50° (122F) Please make sure 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 Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Safety Warning Do not use this opener anywhere the temperature will exceed 50° (122F). Please make sure 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.