Greenhouse Window Opener kit Automatic Solar Heat Sensitive Window Roof Vent Opener Adjustable Temperature Controlled Sensor for Greenhouse15.0x3.7×2.0in

Specifications:
Greenhouse Window Opener Kit
Material: Aluminum Alloy
Fully adjustable between 20 – 25 ° C (68 – 77 ° F)Maximum window opening: 45cm / 18 inch
Maximum opening weight: 7kg/15lb

Size: Approx. 38×9.5x5cm / 15.0×3.7×2.0in
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 windowDo not dismantle the cylinderThe opener CANNOT stop by manualMonitors 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.
★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.
★Prevent greenhouse overheating.