Tired of wondering if your door lock is enough? Don't wait for a break-in to upgrade your security. Increase your door security and be protected wherever you are with the Door Jammer Security Bar with Built-In Alarm from Flipo. Easy to adjust and set up, with an ear-piercing 120 dB alarm that sounds when pressure is applied by someone opening the protected door. The unique design allows the Door Jammer to be quickly adapted for use on both hinged and sliding doors within seconds. Great for home, office, garage entry doors, apartments, dorm rooms, and more. May also be used on interior doors for privacy. The integrated no-skid padded base protects floors from damage and prevents slippage to ensure your Door Jammer stays firmly in place. Once the adjustments are made, the Door Jammer can be stored close by for fast deployment wherever you need protection most. Requires 1 x 9V battery (included). Measures 28.75” Fully Collapsed & 45.25" Fully Extended. Ships in plain brown mailer box.