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Top door knob jam is easily removed for sliding door applications. Heavy duty, dual-function door security bar prevents forced entry on hinged, patio, and sliding doors; Door stopper security bar is intended for indoor use.

75" to 47. 5" and can be installed without cutting, it even allows the door to partially open while being secured.
Safest door security bar: this door blocker bar and saddle are screwed into the door frame and profile, providing reliable protection, unlike pressure-mounted bars that can shake loose and fall.


Easy to use: easily props under door knob and easy to remove. Security burglar bar can also be easily adjusted. Adjustable and durable: bar can be adjusted between 18.


Note: Battery not include. Very convenient to take with you when travel or stay indoor alone. Can be used in home and travel.
Very practical. Weight: 4. 5 oz. Easy to use: no installation required, hotel, simply place the alarm behind any inner pull door home, etc. Dual function: can be used as a door stop alarm and door stopper, its high damping rubber bearing can prevent the door sliding and prevent the bad guys into.

Protect every inch of your home - customize your SimpliSafe security system with additional sensors for every room, window and door - up to 100 Perfect for full room coverage when placed in a corner.
Smart home compatible - Arm your system at home with Google Assistant or Amazon Alexa. Requires a subscription to 24/7 Professional Monitoring. Purchase of any simpliSafe product from unauthorized third parties may void the warranty and other manufacturer protections. Complete control of your system with the SimpliSafe App - Arm, disarm and protect anytime, anywhere. Blanket a whole room - motion sensors detect motion within 30 feet, have a 90 degree field of view and get along great with pets under 50lbs.


Easy installation – no wiring needed, plus sensor mounts on either side of alarm for easier set up; 4xLR44 batteries included.
1. Master Lock
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Door Security for Sliding Doors and Front Doors, Master Lock Door Security Bar, Adjustable from 27-1/2 in. to 42 in., 265D, Home Security Door Stopper
#adMaster Lock #ad - Made with heavy duty 20-gauge steel for strength and security; Pivoting ball joint ensures door security bar has full contact with floor for secure fit while padded foot provides a strong grip without scratching.Top door knob jam is easily removed for sliding door applications. Heavy duty, dual-function door security bar prevents forced entry on hinged, patio, and sliding doors; Door stopper security bar is intended for indoor use.
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Door security bar design is portable and compact making it easy to store and ideal for travel, providing enhanced security in hotels or on vacation. Adjusts from 27-1/2 inch 70cm - 42 inch 1. 1m to fit most standard doors and sliding patio doors. No tools required, simply adjust the bar length using the release button, prop under door knob and easily adjusted as needed.Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Height | 2.5 Inches |
Length | 30.5 Inches |
Weight | 2.5 Pounds |
Width | 3.75 Inches |
Part Number | 265ECCSEN |
Model | 265D |
Warranty | Limited Lifetime Warranty |
More information #ad
2. Ideal Security
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Ideal Security Sliding Patio Door Security Bar with Child-Proof Lock, Extendable, White 25.75-47.5 Inches
#adIdeal Security #ad - Convenient door storage design: when not in use, the sliding door security bar swings upwards and stays out of the way, perfect for any sliding door or sliding glass patio door. Adjustable and easy to install: made of aluminium, this door security bar easily slides from 25.75" to 47. 5" and can be installed without cutting, it even allows the door to partially open while being secured.
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Comfortable height: our door blocker mounts in the middle of the door, not the bottom, allowing you to open your door without bending down to reach the bar. Home security: keep your family safe with this childproof door security bar that acts as a visual deterrent and door blocker against burglars who can see it clearly through the door. Safest door security bar: this door blocker bar and saddle are screwed into the door frame and profile, providing reliable protection, unlike pressure-mounted bars that can shake loose and fall.
Brand | Ideal Security #ad |
Manufacturer | Ideal Security Inc. #ad |
Height | 4.16 Inches |
Length | 30.25 Inches |
Weight | 1.03 Pounds |
Width | 5.4 Inches |
Part Number | BK110W |
Model | BK110W |
Warranty | Limited one year warranty: All of Ideal Security products are warranted to be free of labour and material defects for one year from date of purchase. Defective products can be returned to place of purchase with proof of purchase for replacement. Contact Ideal’s customer service for information on missing parts or specific application situations. Customer service: 1-800-361-2236 x 234 or visit our web site at www.idealinc.com |
More information #ad
3. U.S. Patrol
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U.S. Patrol JB5322 Alarm Security Bar extends from 29" to 43"
#adU.S. Patrol #ad - Secures your home from intruders. Heavy gauge steel construction. No installation required. Alarm sound when door knob is touched. For added security and protection.More information #ad
Brand | U.S. Patrol #ad |
Manufacturer | U.S. Patrol #ad |
Height | 3 Inches |
Length | 20 Inches |
Weight | 2.45 Pounds |
Width | 5.5 Inches |
Part Number | B001I0E20A |
Model | JB5322 |
Warranty | 1 year limited manufacturer's warranty |
More information #ad
4. SECURITYMAN
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SECURITYMAN 2-in-1 Door Security Bar & Sliding Door Security Bar, Door Jammer Constructed of High Grade Iron, Black Door Stoppers Security Bar
#adSECURITYMAN #ad - Security bar: angled rubber bottom assures full contact and a strong brace on all types of floors without scratching them as well as all door knob types including french doors.Easy to use: easily props under door knob and easy to remove. Security burglar bar can also be easily adjusted. Adjustable and durable: bar can be adjusted between 18.
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25" to 46. 50" and constructed of high grade iron to withstand 400 pounds of pressure *please note: the sliding door caps decrease the maximum length to 46. 50". 2-in-1 door stopper security bar & sliding Door Lock Bar: Use this device for two different purposes with easily interchangeable caps for hinged doors and sliding door/window.Brand | SECURITYMAN #ad |
Manufacturer | Mace Group Inc / Macally Peripherals #ad |
Height | 3.5 Inches |
Length | 16.5 Inches |
Weight | 2 Pounds |
Width | 2.5 Inches |
Part Number | SECURITYBARB |
Model | SECURITYBARB |
Warranty | One-Year-Hassle-Free |
More information #ad
5. Hiistar
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Hiistar Personal Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
#adHiistar #ad - 100% new and high quality. Super suitability and stability. Easily mounted by adhesive. Magnetic sensor switch detects your door or window. Easy stick installation and operation, tear the double-sided adhesive on the backpack, press on/off switch to power on/off then insert 2 PCS AAA battery battery do not contain in the box, paste the door knob alarm on your target position.More information #ad
Super loud 90 db alarm. Ideal entry warning for homes, garages, apartments, mobile homes, hotel rooms, offices, and more!. Type to window or door. When someone opens the door or window illegally the relative position of the primary and secondary parts changes, the alarm can issue a strong alarm, warning the intruder to leave and remind the owner.Brand | Hiistar #ad |
Manufacturer | Hiistar #ad |
Height | 0.34 Inches |
Length | 1.1 Inches |
Weight | 8 ounces |
Width | 0.35 Inches |
Part Number | C2I26-AP13065 |
More information #ad
6. TOWODE
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TOWODE Door Stop Alarm with 120DB Siren Door Stop for Home & Travel Black Pack of 4
#adTOWODE #ad - A protector around you. 3 level of sensitivities: High-Medium-Low Sensitivities, which can be adjusted accroding to your own needs. Powered by 9v battery: the door stop alarm powered by 9V battery, One piece can be used for a year under normal circumstances.Note: Battery not include. Very convenient to take with you when travel or stay indoor alone. Can be used in home and travel.
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Notice: the door stop alarms fit for the gap between the door and the ground be 06'' and 1. 2''. A really must have around you. Loud alarm: very loud shrill that would definitely scare someone away with 120db alarm. Very practical. Weight: 4. 5 oz. Easy to use: no installation required, hotel, simply place the alarm behind any inner pull door home, etc. Dual function: can be used as a door stop alarm and door stopper, its high damping rubber bearing can prevent the door sliding and prevent the bad guys into.
Brand | TOWODE #ad |
Manufacturer | TOWODE #ad |
Height | 5.63 Inches |
Length | 8.23 Inches |
Weight | 0.9 Pounds |
Width | 3.69 Inches |
Part Number | a-001 |
More information #ad
7. SimpliSafe
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No Contract, White, SimpliSafe 8 Piece Wireless Home Security System, Compatible with Alexa and Google Assistant , Optional 24/7 Professional Monitoring
#adSimpliSafe #ad - Seriously secure - get ready to protect right out of the box. Prepared and built for the unexpected - 24 hour battery and cellular backup keep your home secure so you stay protected even if you lose power or Wi-Fi. 1 year manufacturer limited warranty. Customizable and can send Secret Alerts so you are quietly alerted if someone accesses private areas, doors, without sounding an alarm.Protect every inch of your home - customize your SimpliSafe security system with additional sensors for every room, window and door - up to 100 Perfect for full room coverage when placed in a corner.
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Instantly sound the alarm with a panic button - Triggers the alarm and dispatches police fast - with silent panic option to signal for help discreetly. Protection for entry points - entry sensors protect windows, and cabinets and alert you when someone tries to enter. Smart home compatible - Arm your system at home with Google Assistant or Amazon Alexa. Requires a subscription to 24/7 Professional Monitoring. Purchase of any simpliSafe product from unauthorized third parties may void the warranty and other manufacturer protections. Complete control of your system with the SimpliSafe App - Arm, disarm and protect anytime, anywhere. Blanket a whole room - motion sensors detect motion within 30 feet, have a 90 degree field of view and get along great with pets under 50lbs.
Brand | SimpliSafe #ad |
Manufacturer | SimpliSafe (DS) - DROPSHIP #ad |
Height | 12.38 Inches |
Length | 12.13 Inches |
Weight | 0 Pounds |
Width | 4.44 Inches |
Part Number | 8 piece |
Model | 8 piece |
Warranty | 1 year warranty |
More information #ad
8. Wedgit
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Wedgit Tan Maxi Twist Tight Adjustable Sliding Window & Door Security bar extends from 25" to 42"
#adWedgit #ad - Helps prevent small children from going out & intruders from coming in. Compression tested to 450 pounds of pressure. Requires absolutely no tools. Super easy & quick installation. Swings down out of the way when not in use.More information #ad
Brand | Wedgit #ad |
Manufacturer | Accession, Inc. #ad |
Height | 2.75 Inches |
Length | 42 Inches |
Weight | 1 Pounds |
Width | 1.5 Inches |
Part Number | 91265 |
Model | 91265 |
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9. SABRE
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SABRE Wireless Home Security Door Window Burglar Alarm with LOUD 120 dB Siren, DIY EASY to Install
#adSABRE #ad - Attractive & consumer-preferred – superior to other home security products, this premium white alarm looks great inside your home. Attention-grabbing – extremely loud 120 db alarm helps wake/alert homeowner or renter, helps deter intruder and possibly notifies neighbors audible up to 750 feet/230M away.Easy installation – no wiring needed, plus sensor mounts on either side of alarm for easier set up; 4xLR44 batteries included.
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User-friendly – 3 adjustable settings off/alarm/chime; chime mode is ideal to alert you when children or guests are coming and going when you are at home. Extra level of security – provides battery status update with a low battery test button.Brand | SABRE #ad |
Manufacturer | Security Equipment Corporation #ad |
Height | 1.63 Inches |
Length | 0.5 Inches |
Weight | 0.02 Pounds |
Width | 2.5 Inches |
Part Number | HS-DWA |
Model | HS-DWA |
Warranty | Manufacture Warranty |
More information #ad