**Solar-Powered Automatic Greenhouse Vent Opener – 15Lbs Heat-Sensitive Roof Window Opener Kit for Garden & Greenhouse Temperature Control – Ideal for Home Greenhouses, Backyard Gardens & Plant Growth**

Product Description

Greenhouse Window Opener Automatic, Auto Vent Solar Opener with Double Spring Ventilation Openers for Hothouse Cold Frame Gardening Tools-No Power NeededFeature 1.Aluminum and Stainless steel material for durability. 2.springs are more strong and better withstand Wind. 3.Great trouble free dual spring design. 4.Easy to fit onto your Greenhouse vent or window using supplied screws and clamps or your own fasteners into pre-punched holes. 5.Best for awning style windows.Uses Solar energy only, no power required. 6.This corkscrew will automatically open and close your greenhouse windows to maintain the optimal growing temperature and prevent the greenhouse from overheating. 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# 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 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 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.