Best Loud Door Alarm

Wsdcam Window and Door Alarms for Home Security, 110dB Magnetic Sensor Alarm, Pool Door Alarm for Kids Safety, 4-in-1 Mode Small Wireless Window Alarms 4 Pack - Black

110dB LOUD ALARM - 110 decibel loud alarm goes off when door or window opens and it will not stop even the door closed, effectively helps deter intruder and alert residence. The wireless window sensors will give you peace of mind.
4-in-1 MODE - 1. General Alarm (alarm stop if door closed).
2. Constant Alarm (constant alarm even door closed).
3. Closing-door Alert (sound “Di..Di” from 0dB to 110dB).
4. Door Open Chime (sounds “DingDong” once if door opens), super easy to set the mode according to your need.
SMALL SIZE DESIGN - Alarm Sensor Size: 2.2" x 1.3" x 0.67.

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Wsdcam Door and Window Alarms for Home Security, 110dB Magnetic Sensor Alarm, Pool Door Alarm for Kids Safety, 4-in-1 Mode Small Wireless Door Alarms 4 Pack - White

110dB LOUD ALARM - 110 decibel loud alarm goes off when door or window opens and it will not stop even the door closed, effectively helps deter intruder and alert residence. The wireless window sensors will give you peace of mind.
4-in-1 MODE - 1. General Alarm (alarm stop if door closed).
2. Constant Alarm (constant alarm even door closed).
3. Closing-door Alert (sound “Di..Di” from 0dB to 110dB).
4. Door Open Chime (sounds “DingDong” once if door opens), super easy to set the mode according to your need.
SMALL SIZE DESIGN - Alarm Sensor Size: 2.2" x 1.3" x 0.67.

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Tnuocke 1-Pack Upgraded Door Stopper Security Alarm,Small Entrance Alert Door Stop Alarm,120 DB Siren Portable Door Stopper Wedge Doorstop Safety Tools,Door Stop Alarm for Travel Home Apartment House

Dual Function:the door stopper alarm in "on" status,when door pressure is applied,the door alarm will be triggered while make extremely loud 120db....
Product size: 13.65cm/5.37in length,4.5cm/1.78in wide,4cm/1.57in high,package include 1 door alarms,each weight about 113g.
Loud Alarm:3 Sensitivity Levels - Low - Medium - High,with an adjustable sensitivity switch on the side.Very loud shrill that would definitely scare....
battery-operated (requires 1x9V battery,not included).
it can not slide on tile when door opens,smooth floor can try....
Wide used:Alarm loud 120db to protect you.
ideal for bedrooms,hotels,apartments,dorm rooms,front doors,,add peace of mind when....

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Door Stop Alarm 2 Pack , 120 dB Door Stopper Wedge Door Stops Alarm Great for Traveling Hotel Home Security Door Stoppers Safety Tools

♥【Dual Function】: This alarm can be a door stop alarm or a door stopper, when the alarm being triggered and the meantime it will keep the intruder outdoor from you, it’s safe. If the door is installed very high and far from the ground,please put a soft thing under the door stopper..
♥【Extremely Loud Alarm】: 120 dB loud belongs to “Unbearable Noise” and really loud. Easily can wake the homeowner up, notifies neighbors and scare the intruder away. Please do turn on the power button after set the battery well, then put the door stopper under the door..
♥【Easy Install】: No wiring needed, just put 9v battery in and switch the button on the back to “ON” then it can works. The bottoms are made of synthetic rubber for keep the alarm from slipping..
♥【Light-Weight】 : Only 95 grams each stopper ( without battery and package) good for carrying when you are travelling or need spend a night at strange environment..
♥【3 Sensitivity Levers】: with an adjustable sensitivity switch on the side easily change the mode. (Note: Battery not include).

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Door Stop Alarm, Door Stopper with 120DB Security Alarm, Floor Wedge Doorstop for Travel Apartment Home House (Pack of 2)

[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..
[3 Level of Sensitivities]: Hige-Midium- Low Sensitivities. Which depends on the distance door touch the door stop alarm..
[Loud Alarm]: Very loud shrill that would definitely scare someone away with 120db alarm. Weight: 4.5 oz..
[Powered by 9V Battery]: Powered by 9V battery, One piece can be used for a year under normal circumstances. (Note: Battery not include).
[Easy to Use]: NO installation required, Simply place the alarm behind any door (home, hotel, etc)..

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Door Stop Alarm, Door Stopper with 120DB Security Alarm, Floor Wedge Doorstop for Travel Apartment Home House (Pack of 4)

[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..
[3 Level of Sensitivities]: Hige-Midium- Low Sensitivities. Which depends on the distance door touch the door stop alarm..
[Loud Alarm]: Very loud shrill that would definitely scare someone away with 120db alarm. Weight: 4.5 oz..
[Powered by 9V Battery]: Powered by 9V battery, One piece can be used for a year under normal circumstances. (Note: Battery not include).
[Easy to Use]: NO installation required, Simply place the alarm behind any door (home, hotel, etc)..

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EverNary Door Window Alarm 7pack Wireless Burglar Alert 125dB Loud Pool Door Alarm for Home Kids Saftey 4 Working Modes Magnetic Sensor for Garage Business Hotel Apartment Office

Multiple Alarm Modes: Burglar alarm with 130DB loud,continue 30 seconds alarm.
Doorbell Sound as Door Chime,Alert someone come in.
Di-Di Intermittent sound:Remind someone to close refrigerator door/medical kit.Switch off can stop all working..
125dB Burglar Alarm: The Door Window Alarm on Burglar Alarm,130db loud when door or window opens, helps deter intruder thieves and alert residence..
Easy to install: Use Double-sided tape, tape it on a window door or anywhere you need, then all done! No any wiring or screws needed.Fit for Home, office, apartment, garage, pool door, medicine box, refrigerator etc. Also for trip..
Instant Alarm Reminder: The minimum trigger distance is 0.59inch.The alarm will be triggered and alarm immediately when doors or windows be opened..
Double-side magnetic sensor alarm: More places can use it than single side sensor.（IT FITS ON FLAT DOOR AND FRAME.).

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Alarm, Door Stopper with 120DB Security Alarm, Floor Wedge Doorstop for Travel Apartment Home House

Dual Function: When the power is in "on" status, it will make extremely loud 120db alarm to be used as door stop alarm.
when the power is in "off" status, it can be used as damping rubber door stopper..
3 Sensitivity Levels: Low - Medium - High, with an adjustable switch on the side. H level is the highest sensitive level to trigger 120db alarm.An easy way to make the intruder run as fast as he can!.
Portable Design: Light weight, small size, easy to pack and take.You can carry it as a security measure for your trip. Small but very effective!.
Easy to Use: Powered by 9V battery, no mess cable. One piece can be used for a year under normal circumstances. Simply place the alarm behind door.Battery not included..
Additional Security: Place the alarm behind the door that you want to be alerted in home, dormitory, hotel or motel room while you are sleeping..
Power On: The door stop alarm in “on” status, when door pressure is applied, it will be triggered while make loud 120 dB alarm..
Power Off: The door stop alarm in “off” status, it can be used as common door stopper..
Low - Medium - High, with an adjustable sensitivity switch on the side..

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2 Packs Upgraded Door Stop Alarm Portable Wedge Door Stoppers Security Alarm 120db Entrance Alert Loud Door Stop Alarm for Travel Home Apartment or Dorm (2 Packs)

✔ Door Stopper Security Alarm – The door stopper alarm is in "on" status, when door pressure is applied, the door alarm will be triggered while make extremely loud 120db alarm, helps wake/alert homeowner or renter, helps deter intruder and possibly notifies neighbors, security protection..
✔Non-Skid Door Stopper– When door stopper alarm is in the "off" state, it acts as common door wedge, its high damping rubber prevents the door from sliding and keeps the door in the open position..
✔3 Sensitivity Levels – Low - Medium - High, with an adjustable sensitivity switch on the side.
H level is the most sensitive level that vibration will trigger an alarm.
please note when the alarm sound gradually becomes smaller, it means to replace the new battery..
✔Easy Installation – No wiring needed, just put 1x9V battery ( not included) in , place it under the door, the gap bewteen the bottom of the door and the floor should be 10mm(0.38 in) to 35mm(1.35 in)and switch the button on the back to “ON” then it can works..
✔Portable Door Stopper Alarm – The package includes 2 door alarms, each weight about 120g.
to protect you when traveling or working alone. A pr....

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