Primlisa Automatic Window Opener Greenhouse Automatic Window Opener 15 kg Lifting Capacity Greenhouse Cold Frame Automatic Window Regulator (15 lbs Lifting Power)

The automatic window opener can open and close the greenhouse through windows or ventilation panels No power supply: as the liquid filled cylinder expands at the highest temperature, no energy is required Adjust by simply turning the cylinder to increase or lower the temperature, which can be adjusted from about 65 to 80 degrees Fahrenheit When the temperature changes automatically, the automatic window opener maintains the optimal temperature and prevents the greenhouse from overheating by opening or closing the ventilation plate Not only for farms and pastures, but also for home storage in your own home, so you have a good living environment Product features: 1. Solar vent opener can lift up to 15 lbs. 2. It prevents overheating of your greenhouse. 3. When the temperature changes automatically, it maintains the best growth temperature and prevents the greenhouse from overheating. Instructions for use: Automatic window opener opens and closes your greenhouse vents. Increase or lower the temperature setting with a simple turn of the cylinder and the adjustment can be adjusted from approx. 65 to 80 degrees Fahrenheit. No electrical energy is required as the liquid filled cylinders expand in the upper temperatures. Screw directly into polycarbonate panels, wood or metal frame. Place the cylinder in a cool place at max. 50° F for at least 30 minutes before assembly.

• The automatic window opener can open and close the greenhouse through windows or ventilation panels
• No power supply: as the liquid filled cylinder expands at the highest temperature, no energy is required
• Adjust by simply turning the cylinder to increase or lower the temperature, which can be adjusted from about 65 to 80 degrees Fahrenheit
• When the temperature changes automatically, the automatic window opener maintains the optimal temperature and prevents the greenhouse from overheating by opening or closing the ventilation plate
• Not only for farms and pastures, but also for home storage in your own home, so you have a good living environment