Aluminum Stainless Steel Temperature Sensor High Sensitivity Efficient Automatic Window Opener Energy Saving Stable Sunroom Vent Greenhouse Tool

Specifications:Item Type: Greenhouse Winder Opener CylinderMaterial:Aluminum + Stainless steelColor:BlackSize: Length 31.5cm(12.40in)Temperature range 15°- 25°/60°-77FWeight: Approx. 107gPackage:1 x Greenhouse Winder Opener CylinderNotes:1.Do not use this opener cylinder anywhere the temperature will exceed 50° (122F).2.Do not dismantle the cylinder.3.This products need to be refrigerated before use it.4.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.

• It uses thermal sensor drive to achieve fully automatic control, saving energy and reducing daily maintenance work.
• Easy to install and widely compatible with most greenhouse windows, it helps maintain ideal temperature and humidity for plant growth efficiently.
• The single tube structure ensures smooth use and high durability, supporting long-term continuous work in various outdoor and indoor planting environments.
• Built with dual spring mechanism, it provides stable and reliable thrust to open and close windows automatically according to external temperature changes.
• This greenhouse window opener with temperature sensor is designed for automatic ventilation, effectively adjusting the internal environment of greenhouses, flower houses and sunrooms.