Searching for casement window child proof locks

A quick learner says:

Looking for a child proof locking mechanism to fit on a casement window that meets ASTM f2006 code for City of Los Angeles.

The windows are Pella Impervia Fiberglass.

Thank You,

Gary

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Bob from SWISCO responded:

Hi Gary. I wonder if something like our 39-398 or 39-398SS Sash Stops could do the trick. Watch the video below and see what you think. 

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