Adjustable Sliding Door Security Bar, Door Jammer 2-in-1 Adjustable Door Knob and Sliding Patio Door Stoppers Security with Alarm, 40 Different Adjustments by Guard Dog Security

• VERSATILE FOR HOME AND TRAVEL: This adjustable sliding door lock bar extends from 25" to 41", this portable door stopper is ideal for use at home or while traveling. Whether it’s your front door, patio door, sliding door, window, or hotel room door, it provides strong, reliable protection to help deter intruders
• POWERFUL 120dB ALARM: Our security door stopper is equipped with an ultra-loud 120dB siren, it alerts you from up to 1,000 feet away and scares off potential intruders. The sensitive vibration sensor detects any tampering or forced entry attempts
• BUILT TO LAST: Constructed with high-quality metal and reinforced components, it withstands up to 400 lbs. of force. The anti-slip rubber base provides a firm grip and prevents floor damage
• EASY TO INSTALL AND USE: No tools required - set up in minutes. The adjustable sliding door security bar with alarm offers 40 different length settings for a customized fit. Activate the alarm and secure the door with a simple kick for added peace of mind
• DUAL-PURPOSE DESIGN: The sliding glass door security bar is Easily switches between standard door stopper and sliding door jammer with interchangeable caps. The angled rubber base ensures a secure hold on a variety of floor surfaces

Designed with 20-gauge steel to improve security on hinged and sliding doors the Guard Dog DoorKeeper Alarm prevents forceful entry of even the largest intruders. The adjustable system allows the door bar to slide to fit most standard-sized doors and the loud 100 dB alarm will bring notice up to 1,000 feet away. Want to use it on a sliding door? Simply remove the top yolk pin and DoorKeeper is ready for action. Whether at home, school, or the office, the DoorKeeper Alarm keeps what you want out.