Review on Protect Your Home With JEACENT AC Security Window Lock Bar - Sturdy Steel, Adjustable From 10" To 17 1/2" For Sliding Windows With Installed AC Unit by Arun Siddiqui

So far this bar is working great. I have had it installed for a week and it hasn't wiggled loose or anything.Instead of using the provided velcro strips, I attached command strips to the bar for easier removal from the window.The only issue I had with installation was making sure that the open half of the window was being pushed down firmly enough on the air conditioner to get the bar fully secured. Installing this without pushing down on the window allowed the window to move some after installation. It helped to have two people installing this together.The bar is heavy duty metal though and doesn't feel like it will break anytime soon.