You can stick the pimapen lock on the non-opening side of the window and manually open and close your window securely.
Usage: Make sure that the surface is clean and dry.
Remove the adhesive paper from the underside and stick it on the non-opening side of the window by pressing it at a height that your child cannot reach.
You can open and close the lock manually with the window handle.
Do not use for 24 hours for full adhesion.
Do not leave your child unattended.
Stick it at a height that your child cannot reach.