Best Door Security Bar

This door security bar helps prevent intruders from forcing their way through indoor hinged, patio and sliding doors. It also features an extremely loud 115dB siren alarm that sounds when someone tries to open the door handle from the outside to help wake you to a potential invasion and help scare off would-be burglars.

Attention-grabbing sound: Heard up to 1,100 ft. away the alarm will continuously sound after it is triggered until you turn it off, ensuring you're aware that someone tried to enter through the door.
Versatile use: Offering 40 adjustable height positions, it ensures a custom, tight fit on most standard doors and is the best sliding door security bar. Its collapsible design makes it easy to carry and store.
Most affordable option: The security door bar leaves you with no installation or monthly monitoring fees.
Extremely reliable: Made with 20-guage steel and a rubberized foot, this door jammer security bar provides a strong grip that keeps it in place.