Sensitive Automatic Greenhouse Window Opener Solar Thermovent Tools

Features: 1.Maximum height of the window opening about 45cm. 2.The temperature of complete opening of about 30.(depending on the adjustment and load) 3.Maximum weight vents not more than 7kgs. 4.Opening temperature regulated 16 to 25. 5.Suitable for most greenhouses. Adjustment: -- Tuning the cylinder can make your automatic vent start opening at different temperature. -- Turing clockwise can make higher/earlier opening. -- Turning anticlockwise can make lower/later opening. -- One complete turn corresponds to approximately 0.5/1. Package Included: 1 x Automatic Window Opener Kit 1 x User manual