Shop Basic Door Alarm

Sponsored
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$131.22
Safety Technology International Exit Door Alarm: 9 V DC, Key Lock, Red, Polycarbonate, Horn Model: 3JYW2
Grainger
$131.22
Safety Technology International Exit Door Alarm: 9 V DC, Key Lock, Red, Polycarbonate, Horn Model: 3JYW2
Grainger
$99.99
Safety Technology International Exit Door Alarm: 9 V DC, Key Lock, Red, Polycarbonate, Horn Model: STI-6400
Grainger
490
$99.99
Safety Technology International Exit Door Alarm: 9 V DC, Key Lock, Red, Polycarbonate, Horn Model: STI-6400
Grainger
490
$132.65
Safety Technology International Exit Door Alarm: 9 V DC, Key Lock, Red, Polycarbonate, Horn Model: STI-6405
Grainger
1
$132.65
Safety Technology International Exit Door Alarm: 9 V DC, Key Lock, Red, Polycarbonate, Horn Model: STI-6405
Grainger
1
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$76.28
Safety Technology International, Inc. STI-6400 Exit Stopper Multifunction Door Alarm, Helps Prevent Unauthorized Exits Or Entries Through Emergency
Amazon.com
432
Free shipping
19% off
$61.30
$76.28
Safety Technology International, Inc. STI-6400 Exit Stopper Multifunction Door Alarm, Helps Prevent Unauthorized Exits Or Entries Through Emergency
Amazon.com
432
$20.88
$28.99
Door Chime When Door Opens, Door Opened Alarm For Home/Business Office/Bedroom Entering, 2-Sensor + 1-Receiver With 500ft Range,58 Chimes,5-Volume
Amazon.com
2K+
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Door Chime When Door Opens, Door Opened Alarm For Home/Business Office/Bedroom Entering, 2-Sensor + 1-Receiver With 500ft Range,58 Chimes,5-Volume
Amazon.com
2K+
$165.33
$235.00
Detex EAX500 Battery Powered Door Or Wall Mount Exit Alarm, 2.10" W X 2.375" D X 7.70" L
Amazon.com
113
Free shipping
29% off
$165.33
$235.00
Detex EAX500 Battery Powered Door Or Wall Mount Exit Alarm, 2.10" W X 2.375" D X 7.70" L
Amazon.com
113
$109.00
Safety Technology® Wireless Battery-Operated Exit Stopper Door Alarm For Single Door
hdsupplysolutions.com
490
$109.00
Safety Technology® Wireless Battery-Operated Exit Stopper Door Alarm For Single Door
hdsupplysolutions.com
490
$347.81
Alarm Lock PG21 Exit Door Alarm
American Locksets
9
$347.81
Alarm Lock PG21 Exit Door Alarm
American Locksets
9
$401.58
PG30-MS Alarm Lock Battery Operated Surface Mounted Door Alarm In Metallic Silver Finish
Lock Depot Inc
$401.58
PG30-MS Alarm Lock Battery Operated Surface Mounted Door Alarm In Metallic Silver Finish
Lock Depot Inc
$129.60
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$129.60
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$218.96
Detex EAX-300 Battery Powered Door Prop Alarm -Black (BK)
Trudoor
$218.96
Detex EAX-300 Battery Powered Door Prop Alarm -Black (BK)
Trudoor
$200.01
Securitron DPA Door Prop Alarm -12 VDC
Trudoor
$200.01
Securitron DPA Door Prop Alarm -12 VDC
Trudoor
$8.30
1 Pcs NO White Door Contacts (NORMALLY OPEN) Surface Mount Security Alarm Door Window Sensors
Intellid Products
$8.30
1 Pcs NO White Door Contacts (NORMALLY OPEN) Surface Mount Security Alarm Door Window Sensors
Intellid Products
$25.90
VEVOR Door Chime Dc 12V Wireless Door Open Contact Sensor Alarm Chime With 656 ft Range 58 Chimes & 5 Adjustable Volume Doors Ringer Alert For
VEVOR
$25.90
VEVOR Door Chime Dc 12V Wireless Door Open Contact Sensor Alarm Chime With 656 ft Range 58 Chimes & 5 Adjustable Volume Doors Ringer Alert For
VEVOR
$126.00
STI STI-6400-R Exit Stopper Door Alarm Red
B and H Depot
$126.00
STI STI-6400-R Exit Stopper Door Alarm Red
B and H Depot
$15.75
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
Intellid Products
$15.75
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
Intellid Products
$12.35
Sabre Door Or Window Alarm White Plastic White HS-DWA2
DkHardware.com
1K+
$12.35
Sabre Door Or Window Alarm White Plastic White HS-DWA2
DkHardware.com
1K+
$76.69
SAFETY TECHNOLOGY INTERNATIONAL Exit Door Alarm, Key Lock, Audible/Annunciation, Three Minute Piercing Horn, Polycarbonate Material, STI-6400
Zoro.com
9
$76.69
SAFETY TECHNOLOGY INTERNATIONAL Exit Door Alarm, Key Lock, Audible/Annunciation, Three Minute Piercing Horn, Polycarbonate Material, STI-6400
Zoro.com
9
$318.18
DETEX Surface Mount Battery Powered 100DB Door Prop Alarm With Internal Magnetic Door Contacts And Gray Box Gray Finish EAX300GRY
DkHardware.com
$318.18
DETEX Surface Mount Battery Powered 100DB Door Prop Alarm With Internal Magnetic Door Contacts And Gray Box Gray Finish EAX300GRY
DkHardware.com
$142.41
PG21MS Alarm Lock Key-Activated Door Alarm - Less Cylinder
Buy Door Hardware Now 2.1
$142.41
PG21MS Alarm Lock Key-Activated Door Alarm - Less Cylinder
Buy Door Hardware Now 2.1
$180.35
STI-6400WIR9: Safety Technology Internationa | Door Alarm
Galco Industrial Electronics
$180.35
STI-6400WIR9: Safety Technology Internationa | Door Alarm
Galco Industrial Electronics
$342.58
FMP 134-1165 Detex® Exit Door Emergency Alarm
WebstaurantStore
$342.58
FMP 134-1165 Detex® Exit Door Emergency Alarm
WebstaurantStore
$169.75
PG30MS Alarm Lock Keypad-Controlled Door Alarm
Buy Door Hardware Now 2.1
9
$169.75
PG30MS Alarm Lock Keypad-Controlled Door Alarm
Buy Door Hardware Now 2.1
9
$199.64
Alarm Lock PG21MS Door Alarm
E.D. Locks & Security
1
$199.64
Alarm Lock PG21MS Door Alarm
E.D. Locks & Security
1
$113.63
STI-6402: Safety Technology Internationa | Door Alarm
Galco Industrial Electronics
$113.63
STI-6402: Safety Technology Internationa | Door Alarm
Galco Industrial Electronics
$249.72
Alarm Lock PG30MS Door Alarm
E.D. Locks & Security
9
$249.72
Alarm Lock PG30MS Door Alarm
E.D. Locks & Security
9
$143.00
STI STI-6402 Exit Stopper Double Door Alarm
B and H Depot
108
$143.00
STI STI-6402 Exit Stopper Double Door Alarm
B and H Depot
108
$134.54
STI-6400WIR: Safety Technology Internationa | Door Alarm
Galco Industrial Electronics
$134.54
STI-6400WIR: Safety Technology Internationa | Door Alarm
Galco Industrial Electronics
$61.83
Lascar WIRELESS ALERT DC - Door Contact Monitor With Email Alerts | Tequipment
TEquipment
$61.83
Lascar WIRELESS ALERT DC - Door Contact Monitor With Email Alerts | Tequipment
TEquipment
$200.00
Alarm Lock PG21MS Narrow Stile Door Alarm Aluminum
B and H Depot
1
$200.00
Alarm Lock PG21MS Narrow Stile Door Alarm Aluminum
B and H Depot
1
$134.19
Safety Technology STI-6400 Exit Stopper - Multifuntion Door Alarm | Access Control Alarms
Newark
490
$134.19
Safety Technology STI-6400 Exit Stopper - Multifuntion Door Alarm | Access Control Alarms
Newark
490
$136.73
Safety Technology STI-6402WIR | Wireless Exit Stopper Multi Function Door Alarm For Double Door - Red
AllDataResource.com
$136.73
Safety Technology STI-6402WIR | Wireless Exit Stopper Multi Function Door Alarm For Double Door - Red
AllDataResource.com
$27.79
Inductive Door And Window Wireless Vibration Alarm 125Db Glass Breakage Anti-Theft Sensor Home Security Protection Alarm
LightInTheBox
$27.79
Inductive Door And Window Wireless Vibration Alarm 125Db Glass Breakage Anti-Theft Sensor Home Security Protection Alarm
LightInTheBox
$16.78
Sabre Door Alarm Battery Powered Indoor White White HS-RL-EDA
DkHardware.com
95
$16.78
Sabre Door Alarm Battery Powered Indoor White White HS-RL-EDA
DkHardware.com
95
$61.09
$91.64
Camden - CX-DA100 - Door Alarm With Sounder Single Gang And 3-24 VDC
LocksmithKeyless
33% off
$61.09
$91.64
Camden - CX-DA100 - Door Alarm With Sounder Single Gang And 3-24 VDC
LocksmithKeyless
$126.25
$172.14
Alarm Lock - PG21MS - Narrow Stile Door Alarm - Aluminum Finish
LocksmithKeyless
26% off
$126.25
$172.14
Alarm Lock - PG21MS - Narrow Stile Door Alarm - Aluminum Finish
LocksmithKeyless
Sponsored
ADT® Home Security Alarms
www.adt.com
▼
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Shop Basic Door Alarm

Sponsored
About our ads
$131.22
Safety Technology International Exit Door Alarm: 9 V DC, Key Lock, Red, Polycarbonate, Horn Model: 3JYW2
Grainger
$131.22
Safety Technology International Exit Door Alarm: 9 V DC, Key Lock, Red, Polycarbonate, Horn Model: 3JYW2
Grainger
$99.99
Safety Technology International Exit Door Alarm: 9 V DC, Key Lock, Red, Polycarbonate, Horn Model: STI-6400
Grainger
490
$99.99
Safety Technology International Exit Door Alarm: 9 V DC, Key Lock, Red, Polycarbonate, Horn Model: STI-6400
Grainger
490
$132.65
Safety Technology International Exit Door Alarm: 9 V DC, Key Lock, Red, Polycarbonate, Horn Model: STI-6405
Grainger
1
$132.65
Safety Technology International Exit Door Alarm: 9 V DC, Key Lock, Red, Polycarbonate, Horn Model: STI-6405
Grainger
1
$61.30
$76.28
Safety Technology International, Inc. STI-6400 Exit Stopper Multifunction Door Alarm, Helps Prevent Unauthorized Exits Or Entries Through Emergency
Amazon.com
432
Free shipping
19% off
$61.30
$76.28
Safety Technology International, Inc. STI-6400 Exit Stopper Multifunction Door Alarm, Helps Prevent Unauthorized Exits Or Entries Through Emergency
Amazon.com
432
$20.88
$28.99
Door Chime When Door Opens, Door Opened Alarm For Home/Business Office/Bedroom Entering, 2-Sensor + 1-Receiver With 500ft Range,58 Chimes,5-Volume
Amazon.com
2K+
27% off
$20.88
$28.99
Door Chime When Door Opens, Door Opened Alarm For Home/Business Office/Bedroom Entering, 2-Sensor + 1-Receiver With 500ft Range,58 Chimes,5-Volume
Amazon.com
2K+
$165.33
$235.00
Detex EAX500 Battery Powered Door Or Wall Mount Exit Alarm, 2.10" W X 2.375" D X 7.70" L
Amazon.com
113
Free shipping
29% off
$165.33
$235.00
Detex EAX500 Battery Powered Door Or Wall Mount Exit Alarm, 2.10" W X 2.375" D X 7.70" L
Amazon.com
113
$109.00
Safety Technology® Wireless Battery-Operated Exit Stopper Door Alarm For Single Door
hdsupplysolutions.com
490
$109.00
Safety Technology® Wireless Battery-Operated Exit Stopper Door Alarm For Single Door
hdsupplysolutions.com
490
$347.81
Alarm Lock PG21 Exit Door Alarm
American Locksets
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$347.81
Alarm Lock PG21 Exit Door Alarm
American Locksets
9
$401.58
PG30-MS Alarm Lock Battery Operated Surface Mounted Door Alarm In Metallic Silver Finish
Lock Depot Inc
$401.58
PG30-MS Alarm Lock Battery Operated Surface Mounted Door Alarm In Metallic Silver Finish
Lock Depot Inc
$129.60
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$129.60
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$218.96
Detex EAX-300 Battery Powered Door Prop Alarm -Black (BK)
Trudoor
$218.96
Detex EAX-300 Battery Powered Door Prop Alarm -Black (BK)
Trudoor
$200.01
Securitron DPA Door Prop Alarm -12 VDC
Trudoor
$200.01
Securitron DPA Door Prop Alarm -12 VDC
Trudoor
$8.30
1 Pcs NO White Door Contacts (NORMALLY OPEN) Surface Mount Security Alarm Door Window Sensors
Intellid Products
$8.30
1 Pcs NO White Door Contacts (NORMALLY OPEN) Surface Mount Security Alarm Door Window Sensors
Intellid Products
$25.90
VEVOR Door Chime Dc 12V Wireless Door Open Contact Sensor Alarm Chime With 656 ft Range 58 Chimes & 5 Adjustable Volume Doors Ringer Alert For
VEVOR
$25.90
VEVOR Door Chime Dc 12V Wireless Door Open Contact Sensor Alarm Chime With 656 ft Range 58 Chimes & 5 Adjustable Volume Doors Ringer Alert For
VEVOR
$126.00
STI STI-6400-R Exit Stopper Door Alarm Red
B and H Depot
$126.00
STI STI-6400-R Exit Stopper Door Alarm Red
B and H Depot
$15.75
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
Intellid Products
$15.75
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
Intellid Products
$12.35
Sabre Door Or Window Alarm White Plastic White HS-DWA2
DkHardware.com
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Sabre Door Or Window Alarm White Plastic White HS-DWA2
DkHardware.com
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$76.69
SAFETY TECHNOLOGY INTERNATIONAL Exit Door Alarm, Key Lock, Audible/Annunciation, Three Minute Piercing Horn, Polycarbonate Material, STI-6400
Zoro.com
9
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SAFETY TECHNOLOGY INTERNATIONAL Exit Door Alarm, Key Lock, Audible/Annunciation, Three Minute Piercing Horn, Polycarbonate Material, STI-6400
Zoro.com
9