Yosoo Solar-Powered Automatic Window Opener for Greenhouses – Heat Sensitive Vent Opener with 15 lbs Lifting Capacity – Ideal for Greenhouse Ventilation, Garden Sheds & Chicken Coops

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 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.

Feature: Prevent greenhouse overheating. And as the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating

Solar energy: It is non electric, adopted solar energy, open or close the greenhouse vents as temperature rises or drops

Great tool for your greenhouse: Ideal for your greenhouse window--opens and closes your greenhouse window. If it is very convenience for you

Easy to install: It can be clamped onto or screwed onto your greenhouse frame. Easy to operate and use

Fast Shipping: We shipped from US local, you will receive the item within 3-5 days