Expand to right size smoothly and Locked

Using hinge easy open half way

Easy remove when not in use, just leave angle bracket on window frame

This window bar contains several great features all in one:

Expandable to reach any size: using steel tubing slide in another tubing smoothly and expand to any size you want
Hinge and easy to turn: Using our special patent hinge to make it easy to turn
Removable: removable within 1 second when not in use, just leave angle bracket on frame
Security: stronger tubing make it very secure
Easy lock: just one push to lock the bar with window frame together