HIGH QUALITY MATERIALS-Made of high quality of aluminum and stainless steel.Durable and no rust.
NO ELECTRIC POWER NEEDED&AUTOMATIC-Solar powered , automatically open or close the greenhouse vents as temperature rises or drops.
STRONG FORCE-Lifts up to 15.4 Lbs(7kg),suitable for most of greenhouse.
EASY INSTALLATION-Comes with a fitting accessory pack and a detailed manual for easy installation.
OVERHEATING PROTECTION-This automatic window opener will help you maintaining the best growing temperature and prevent your greenhouse from overheating.
