1. Change the operation mode of the windproof roller shutter's up and down movement to a flat push operation mode, making it more convenient to apply.

2. It is equipped with a built-in cylindrical reel and a constant force spring compensation system, which stops wherever it is pushed and can be applied to fabrics of various thicknesses. 3. The system adopts upper and lower T-shaped pull straps, providing more thorough mosquito prevention.

4. The movable push rod is locked with magnetic strips.

5. It can be installed either by inlaying or within a frame.