Door Ajar Sensor(117)
Uses item details. Price when purchased online
N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10pcs $18.71 Was $20.79
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Now$1871
current price Now $18.71, Was $20.79$20.79
N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10pcs
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Best seller Philips Personal Security Window and Door Alarm, 2-Pack, White From $15.97
2 options
Available in additional 2 optionsFrom$1597
Philips Personal Security Window and Door Alarm, 2-Pack, White
7714.5 out of 5 Stars. 771 reviews
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Clearance Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black From $13.98
From$1398
Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black
914.2 out of 5 Stars. 91 reviews
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Best seller Bitiwend Door Alarm Sensor Bitiwend Wireless Door Chime Alert for Kids Safety Home (1 Receiver+3 Sensors)
Bitiwend Door Alarm Sensor Bitiwend Wireless Door Chime Alert for Kids Safety Home (1 Receiver+3 Sensors)
1114 out of 5 Stars. 111 reviews
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Homezone Wi-Fi Smart Wireless Window/Door Alarm Sensor, White, 1 Alarm Included From $19.97
2 options
Available in additional 2 optionsFrom$1997
Homezone Wi-Fi Smart Wireless Window/Door Alarm Sensor, White, 1 Alarm Included
324.3 out of 5 Stars. 32 reviews
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Pack of 6 Security Window Door Alarm DIY Home Protection Burglar Alert Sensor !! $13.25
$1325
current price $13.25Pack of 6 Security Window Door Alarm DIY Home Protection Burglar Alert Sensor !!
1353.7 out of 5 Stars. 135 reviews
Vivint dw12 window and door sensor $29.99
$2999
current price $29.99Vivint dw12 window and door sensor
25 out of 5 Stars. 2 reviews
Best seller Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (4 Pcs) Home Alarm(Batteries not included) From $10.49
3 options
Available in additional 3 optionsFrom$1049
Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (4 Pcs) Home Alarm(Batteries not included)
1563.9 out of 5 Stars. 156 reviews
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Best seller SABRE Door Handle Alarm 110dB Door Alarm for Home Security, 8 in x 6 in x 1 in, 0.2 lb $9.79 Was $12.79
Now$979
current price Now $9.79, Was $12.79$12.79
SABRE Door Handle Alarm 110dB Door Alarm for Home Security, 8 in x 6 in x 1 in, 0.2 lb
1964.1 out of 5 Stars. 196 reviews
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Best seller KFFKFF Wireless Door Chime, DC 12V, Entry Alert System with 656 ft Range, 58 Melodies & 5 Adjustable Volume Levels, Door Sensor Alarm for Business, Store, Home, or Office Use $16.99 $16.99/ca
$1699
current price $16.99$16.99/ca
KFFKFF Wireless Door Chime, DC 12V, Entry Alert System with 656 ft Range, 58 Melodies & 5 Adjustable Volume Levels, Door Sensor Alarm for Business, Store, Home, or Office Use
73.9 out of 5 Stars. 7 reviews
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Fosmon WaveLink Wireless Doorbell Chime, Home Security System Alarm When Door Opens, Magnetic Door Alarm And Sensor For Store, Restaurant, Business, Kids, Elderly & More, 1 Sensor 1 Receiver $19.99
$1999
current price $19.99Fosmon WaveLink Wireless Doorbell Chime, Home Security System Alarm When Door Opens, Magnetic Door Alarm And Sensor For Store, Restaurant, Business, Kids, Elderly & More, 1 Sensor 1 Receiver
454.3 out of 5 Stars. 45 reviews
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WIFI Wireless Smart Magnetic Door Window Sensor Detector Alarm For Google Home $11.95
$1195
current price $11.95WIFI Wireless Smart Magnetic Door Window Sensor Detector Alarm For Google Home
33.7 out of 5 Stars. 3 reviews
6X Magnetic Sensor Home Door Window Entry Warning Alarm Switch $8.55
$855
current price $8.556X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
15 out of 5 Stars. 1 reviews
3-in-1 Alarm - Door Left Open Chime with Delay, 0/5/10/30/60 Seconds, 2/5 Minutes, Door Ajar Alarm, Close Gate Reminder, 80 to 120 dB, Time Delay Alert for Freezer, Gate, Shop. (Black) $41.08
$4108
current price $41.083-in-1 Alarm - Door Left Open Chime with Delay, 0/5/10/30/60 Seconds, 2/5 Minutes, Door Ajar Alarm, Close Gate Reminder, 80 to 120 dB, Time Delay Alert for Freezer, Gate, Shop. (Black)
Door Window Alarm, 95DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home (3 Pack) Was $7.94
Door Window Alarm, 95DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home (3 Pack)
433.9 out of 5 Stars. 43 reviews
CallToU Caregiver Pager 500FT Door Sensor Alarm for Dementia, Alzheimers, Patients & Home Safety $33.99
$3399
current price $33.99CallToU Caregiver Pager 500FT Door Sensor Alarm for Dementia, Alzheimers, Patients & Home Safety
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3-in-1 Alarm - Door Left Open Chime with Delay, 0/5/10/30/60 Seconds, 2/5 Minutes, Door Ajar Alarm, Close Gate Reminder, 80 to 120 dB, Time Delay Alert for Freezer, Gate, Shop. (Black) $59.48
$5948
current price $59.483-in-1 Alarm - Door Left Open Chime with Delay, 0/5/10/30/60 Seconds, 2/5 Minutes, Door Ajar Alarm, Close Gate Reminder, 80 to 120 dB, Time Delay Alert for Freezer, Gate, Shop. (Black)
HomeZone Wi-Fi Smart Keypad Controlled Window or Door Alarm with Magnetic Switch, Compatible with Alexa and Google Assistant, White, 4 oz $14.97
$1497
current price $14.97HomeZone Wi-Fi Smart Keypad Controlled Window or Door Alarm with Magnetic Switch, Compatible with Alexa and Google Assistant, White, 4 oz
563.5 out of 5 Stars. 56 reviews
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Interlogix TX-E201 Wireless Door/Window Sensor $38.99
$3899
current price $38.99Interlogix TX-E201 Wireless Door/Window Sensor
13 out of 5 Stars. 1 reviews
20X Magnetic Sensor Home Door Window Entry Warning Alarm Switch $19.05
$1905
current price $19.0520X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
23 out of 5 Stars. 2 reviews
Door Chime, GreenCycle Magnetic Sensor Wireless Door Chime Bell, Wireless Door Open Contact Sensor Alarm Chime with 600FT Range 48 Chimes 5 Volume Levels Night Light Function IP66 Waterproof From $19.90
From$1990
Door Chime, GreenCycle Magnetic Sensor Wireless Door Chime Bell, Wireless Door Open Contact Sensor Alarm Chime with 600FT Range 48 Chimes 5 Volume Levels Night Light Function IP66 Waterproof
424.2 out of 5 Stars. 42 reviews
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3-in-1 Alarm - Door Left Open Chime with Delay, 0/5/10/30/60 Seconds, 2/5 Minutes, Door Ajar Alarm, Close Gate Reminder, 80 to 120 dB, Time Delay Alert for Freezer, Gate, Shop. (Black) $43.73
$4373
current price $43.733-in-1 Alarm - Door Left Open Chime with Delay, 0/5/10/30/60 Seconds, 2/5 Minutes, Door Ajar Alarm, Close Gate Reminder, 80 to 120 dB, Time Delay Alert for Freezer, Gate, Shop. (Black)
CallToU Portable Door Chime with 4 Door Sensors and 1 Receiver, 500ft Range, 2 Chime Tones & Adjustable Vibration, Entry Alert for Home, Office, or Business
2 options
Available in additional 2 optionsCallToU Portable Door Chime with 4 Door Sensors and 1 Receiver, 500ft Range, 2 Chime Tones & Adjustable Vibration, Entry Alert for Home, Office, or Business
11 out of 5 Stars. 1 reviews
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Clearance Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office Was $15.99
Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office
44 out of 5 Stars. 4 reviews
GREENCYCLE Home Security Wireless Door Window Open Chime (Operating Range-900FT,36 Chime Tunes,4 Volume Levels,LED Flashing Light)- 1 Magnetic Door Alarm Bell,1 Magnetic Sticker Battery Operated From $22.89
From$2289
GREENCYCLE Home Security Wireless Door Window Open Chime (Operating Range-900FT,36 Chime Tunes,4 Volume Levels,LED Flashing Light)- 1 Magnetic Door Alarm Bell,1 Magnetic Sticker Battery Operated
724.6 out of 5 Stars. 72 reviews
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Surface Mount Wired NC Door Contact Sensor Alarm for Door Window Cabinets 10pcs $11.97
$1197
current price $11.97Surface Mount Wired NC Door Contact Sensor Alarm for Door Window Cabinets 10pcs
Door Window Alarm, 90DB Door Alarms for Kids Safety, Door Window Burglar Alarm-Window Pool Alarms for Home (2 Pack)
3 options
Available in additional 3 optionsDoor Window Alarm, 90DB Door Alarms for Kids Safety, Door Window Burglar Alarm-Window Pool Alarms for Home (2 Pack)
263.5 out of 5 Stars. 26 reviews
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JYtrend Window Door Alarm, Burglar Security Magnetic Sensor (4 Pack) $12.99
$1299
current price $12.99JYtrend Window Door Alarm, Burglar Security Magnetic Sensor (4 Pack)
33.7 out of 5 Stars. 3 reviews
YoLinK LoRa Smart Door Sensor Starter Kit: 1/4 Mile Open-Air Range, Door Left-Open Reminders, Text/SMS, Email, App alerts, 5 Years Battery Life, Alexa, IFTTT, Home Assistant From $16.95
6 options
Available in additional 6 optionsFrom$1695
YoLinK LoRa Smart Door Sensor Starter Kit: 1/4 Mile Open-Air Range, Door Left-Open Reminders, Text/SMS, Email, App alerts, 5 Years Battery Life, Alexa, IFTTT, Home Assistant
314.6 out of 5 Stars. 31 reviews
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TOUMENY Smart WiFi Door Sensor, Wireless Window Entry Alarm for Home Security, Instant Phone Alerts for Doors Windows Garage Shed $13.49
$1349
current price $13.49TOUMENY Smart WiFi Door Sensor, Wireless Window Entry Alarm for Home Security, Instant Phone Alerts for Doors Windows Garage Shed
Wireless Magnetic Sensor Burglar Alarm for Doors and Windows, 90dB Loud Sound Alert, Easy Peel and Stick Installation for Home Security
Wireless Magnetic Sensor Burglar Alarm for Doors and Windows, 90dB Loud Sound Alert, Easy Peel and Stick Installation for Home Security
GJX Touch Sensor Alarm,Vibration Door Alarm,120dB Touch Sensor Door Handle Alarm Anti-theft Vibration Window Burglar Alert Home Security $9.33
$933
current price $9.33GJX Touch Sensor Alarm,Vibration Door Alarm,120dB Touch Sensor Door Handle Alarm Anti-theft Vibration Window Burglar Alert Home Security
Honeywell Home 5816WMWH Wireless Door/ Window Sensor Was $35.49
Honeywell Home 5816WMWH Wireless Door/ Window Sensor
35 out of 5 Stars. 3 reviews
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Vacemry Loud Security Alarm, Wireless Door Alarm Sensor, 125dB Loud Security Alarm For Home Office Window Door Burglar Prevention, Magnetic Contact Sensor ForKidsSafety Room Apartment Hotel Shop $9.99
$999
current price $9.99Vacemry Loud Security Alarm, Wireless Door Alarm Sensor, 125dB Loud Security Alarm For Home Office Window Door Burglar Prevention, Magnetic Contact Sensor ForKidsSafety Room Apartment Hotel Shop
SimpliSafe 4 Pack Entry Sensor ES3 Door Window Protection Magnetic Home Security System $42.35
$4235
current price $42.35SimpliSafe 4 Pack Entry Sensor ES3 Door Window Protection Magnetic Home Security System
Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, HomeKit & Mijia App From $22.99
4 options
Available in additional 4 optionsFrom$2299
Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, HomeKit & Mijia App
11 out of 5 Stars. 1 reviews
Fosmon WaveLink Wireless Door Bell Alarm For Home Security System, Business, Elderly, Kids & More, Door Alarms When Opened, 2 Battery Operated Entry Alert Door Chime Sensor, 1 Plug In Receiver $24.99
$2499
current price $24.99Fosmon WaveLink Wireless Door Bell Alarm For Home Security System, Business, Elderly, Kids & More, Door Alarms When Opened, 2 Battery Operated Entry Alert Door Chime Sensor, 1 Plug In Receiver
143.4 out of 5 Stars. 14 reviews
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Magnetic Door Switch RC-33 NC Recessed Wired Security Window Sensor Alarm White- (20 Sets) $15.09
$1509
current price $15.09Magnetic Door Switch RC-33 NC Recessed Wired Security Window Sensor Alarm White- (20 Sets)
Fosmon WaveLink Wireless Motion Sensor Alarm, 500FT Battery Operated Motion Detector Alarm With Plug In Receiver, Weather Resistant Driveway Alarm, Indoor Outdoor Door Chime For Business, Store, Home $21.99
$2199
current price $21.99Fosmon WaveLink Wireless Motion Sensor Alarm, 500FT Battery Operated Motion Detector Alarm With Plug In Receiver, Weather Resistant Driveway Alarm, Indoor Outdoor Door Chime For Business, Store, Home
353.9 out of 5 Stars. 35 reviews
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QD-Gotrays Door Alarm Sensor, Wireless Remote Window Alarm, 2 Remote Controls, 130 dB Siren, Magnetic Security Sensor, Entry Burglar Alert, Security Alarm Warning System for Home, Shop, Kids Safety $15.99
$1599
current price $15.99QD-Gotrays Door Alarm Sensor, Wireless Remote Window Alarm, 2 Remote Controls, 130 dB Siren, Magnetic Security Sensor, Entry Burglar Alert, Security Alarm Warning System for Home, Shop, Kids Safety
Magnetic Door/Window Contact Alarm – Ultra-Compact Wireless Security Sensor with Adjustable Volume, Instant Intrusion Alert, No-Tool Activation, Home Protection Door Opening and Closing Reminder
Magnetic Door/Window Contact Alarm – Ultra-Compact Wireless Security Sensor with Adjustable Volume, Instant Intrusion Alert, No-Tool Activation, Home Protection Door Opening and Closing Reminder
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