Never fear being home alone again. The AceMining Adjustable Door and Window Security Bar in white is a versatile and sturdy option for securing various types of doors and windows in your home. Made of iron, this security bar is adjustable in height from 21-47 inches to fit different door and window sizes. It comes with hardware included and is suitable for use on patio doors, bathroom doors, cellar doors, screen doors, glass doors, and more. With its adjustable feature, this security bar can be customized to suit your specific security needs for both interior and exterior doors.