10 Best
Alarm For Door Knobs
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Product Highlights- Easy to use: just insert 3 batteries (not included) into the alarm for door handle, turn on the side switch, and hang the alarm on the inside of the door handle, then you can enjoy a secure living place
- Dual-mode alarm: the switch and alarm mode is in an integrated key, pushing up is the doorbell, pushing down is the alarm sound; when the doorknob sensing alarm is not in use, the switch key can be restored; besides, the alarm sound is up to 120 db, no omissions, no false alarms
- Wide application: these door entry alarms are suitable for various kinds of doors and windows with handles, applied in families, rental rooms, dormitories, hotels, shops, warehouses and other places of anti-theft, also an effective helper for traveling to protect the safety of you and your family
- Working principle: hang up the triggered home security alarm, and after the red light flashes for about 30 seconds and stops, the door alarm officially enters the alarm state; when someone touches the door handle or opens the door or window and generates vibration, the alarm will immediately sound an alarm to remind you
- Adjustable sensitivity: there are 3 levels of sensitivity to be adjusted, which can be set according to your needs; generally we recommend you to set it to mid-range, which can effectively protect your home and let you rest assured
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Product Highlights
- Security and anti-theft：in hotel you can install it on the the door or window to ensure safety. after check-out it can be prepared for next-time use. you can easily hang it on the inside door handle in no need of special wires, turn it on and the loud alarm will frighten away unwelcome invaders, thus protecting you and your families
- Wide application: these door entry alarms are suitable for various kinds of doors and windows with handles, applied in families, rental rooms, dormitories, hotels, shops, warehouses and other places of anti-theft, also an effective helper for traveling to protect the safety of you and your family
- 120db ultra loud alarm：hang the alarm on the door handle. when someone touches the handle, the alarm will sound 120db, which can be heard outside 500ft to warn intruders. when you install the touch sensor in your house, office or factory, it will ring to alarm once children open the doors and windows or a theft breaks in.adopts abs material, lightweight, antirust and du...
- Working principle: hang up the triggered home security alarm, and after the red light flashes for about 30 seconds and stops, the door alarm officially enters the alarm state; when someone touches the door handle or opens the door or window and generates vibration, the alarm will immediately sound an alarm to remind you. the alarm sound is up to 120 db, no omissions, no...
- Quality service：this product has been professionally and strictly inspected and tested. we have a 24-hour online professional customer service team. if the product has any quality problems or you have any questions about this product, you can contact us at any time,we will try our best to solve your problem in time,please rest assured to buy
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Product Highlights
- User-friendly: includes 3 adjustable settings (off/alarm/chime); chime mode is ideal to alert you when children or guests are coming and going; alarm mode features 30-second activation delay to prevent immediate false triggering
- Easy installation: no wiring needed (requires 3xaaa batteries, not included); simply hang the alarm on the inside of your door handle - perfect for homes, apartments, dorm rooms, or travel!
- Attention-grabbing: extremely loud 110db alarm helps wake/alert homeowner or renter when is detected, helping deter intruder and possibly notifying neighbors (audible up to 680-feet/205-meters away)
- Perfect for travel: compact size makes this alarm perfect for home and travel. feel safe wherever you go - use the alarm on entry doors, bedroom doors, houses, apartments, hotel rooms, or even dorm rooms
- Reliable: backed by over 45 years in the security industry and developed by the #1 pepper spray brand trusted by police and consumers worldwide. iso 9001:2015 certified
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Product Highlights
- Easy to use and installation, no wiring needed (requires dc 6f22 9v batteries, not included); just simply hang the alarm on the inside of your door handle.
- Just hang the alarm in door handle/knob, when there is someone opens the door or touches the door handle from either side, the alarm will generate loud alarm sound to inform there is a intruder.
- The sensitivity may be affected by the composition of the door handle.
- Perfect travel alarm and great for home, hotel, dorm, etc.
- Work as an anti-theft alarm, alarm siren up to 120db.
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Product Highlights
- Easy to use and installation, no wiring needed (requires dc 6f22 9v batteries, not included); just simply hang the alarm on the inside of your door handle.
- The sensitivity may be affected by the composition of the door handle.
- Work as an anti-theft alarm, alarm siren up to 120db.
- Just hang the alarm in door handle/knob, when there is someone opens the door or touches the door handle from either side, the alarm will generate loud alarm sound to inform there is a intruder.
- Perfect travel alarm and great for home, hotel, dorm, etc.
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Product Highlights
- Static detecting:this function is available only when the door handle is made by metal. when someone is going to open the door and has not touched the handle yet. the alarm can sense the static electricity carried by human beings and beeps.
- Small and portable:idea for front doors, apartments, hotels, bedrooms, dorm rooms. take the alarm with you when traveling, it is your door watcher your safety guardian and your travelling company.set in 2seconds: placei -> open -> go to sleep
- A door watcher:hang it on door knob or handle. when there is vibration ,it will make 115db sounds.
- Chime mode: to remind you someone has get in/out in a friendly way.if there is a toddler at home, use this to provent them from leaving alone.
- Three aaa batteries needed: (they are not included. customers need to purchase separately.) the three aaa batteries can last approximately 1500 hours in standby mode. the alarm beeps for change while low batteries.
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Product Highlights
- Customizable sensitivity: adjust the sensitivity of the alarm with three different settings to suit your needs. choose between chime & alarm mode or off mode.
- Versatile: door stop alarm-suitable for various kinds of doors and windows with handles. perfect for families, rental rooms, dormitories, hotels, shops, warehouses, and other places where anti-theft protection is needed. also an effective helper for traveling to protect the safety of you and your family.
- Protect your home with door alarm: hang this door handle alarm on your handle and get alerted when someone touches it, keeping intruders out;or set to "chime" mode to alert the door to be opened
- Easy to use: door alarm for travel-no complex settings or wifi the alarm runs on 3 aaa batteries (not included) for fast and easy installation.
- Effective and reliable: the door alarms for home security senses vibrations and sounds an alarm, making it an effective and reliable way to protect your home and belongings.
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Product Highlights
- Magnetic sensor switch detects your door or window. 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.
- Ultra-slim design - size: 3.4" x 1.1" x 0.6, this door and window alarm with 2 adjustable settings (on/off). perfect for home, office, garage, dorm room, apartment or even rv.
- Super loud 90 db alarm – this magnetic sensor window door alarm loud enough to detect entry, prevent kids and babies going out the house, protecting your home or office whether you are in or out.
- Easy installation - easy stick installation and operation, press on/off switch to power on/off then insert 2 pcs aaa battery (battery do not contain in the box),tear the double-sided adhesive on the back, paste the door knob alarm on your target position. (notice: make sure the gap between the alarm and magnet part within 0.6in.)
- What you get – 13 packs super environmentally suitable, stable, dustproof window door alarms, 100% customer satisfaction service, value for your money, any questions, do contact us for help! we are always here to help you out.
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Product Highlights
- Adjustable: adjusts from 28. 5 in. (72. 4cm) to 45 in. (114cm) in length to fit most standard doors and sliding patio doors; top door knob jam is easily removed for use with sliding door applications (length without door knob jam: 25 in. to 41. 5 in. )
- Installs in seconds: no tools required, simply adjust the bar length using the release buttons, prop under door knob with the pivoting ball joint placed 15-18 inches away from the door (do not place on rugs or door mats); recommended to use with door knobs and levers only – no handle sets
- Enhanced home protection: prevent forced entry on hinged, patio, and sliding doors with this heavy duty, dual-function door stop security bar; for indoor use only
- Durable, commercial design: made with heavy duty 1mm, 20 gauge steel for strength and security; pivoting ball joint ensures full contact with floor for secure fit while padded foot provides a strong grip without scratching the floor
- Portable and compact: collapsible design is easy to store and ideal for travel, providing extra security in hotels, on vacation or at the office
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