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Magnetic Door Sensor(434)
Uses item details. Price when purchased online
Door Alarm, AMIR Window Alarm Anti-Theft 125DB Door Alarm For Home Office Warehouse Shop Elderly Kids Security 6PCS From $25.99
Sponsored
From$2599
Door Alarm, AMIR Window Alarm Anti-Theft 125DB Door Alarm For Home Office Warehouse Shop Elderly Kids Security 6PCS
444.3 out of 5 Stars. 44 reviews
Freezer Door Alarm When Left Open, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open Alarm Loud 108dB, Refrigerator Alarm 2 Pack From $13.99
Sponsored
From$1399
Freezer Door Alarm When Left Open, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open Alarm Loud 108dB, Refrigerator Alarm 2 Pack
84.4 out of 5 Stars. 8 reviews
YoLink LoRa Smart Door Sensor Starter Kit: - 1/4 Mile Open-Air Range, Door Left-Open Reminders,5 Years Battery Life, SMS/Text, Email & App Alerts, Alexa, IFTTT, Home Assistant From $16.99
Sponsored
From$1699
YoLink LoRa Smart Door Sensor Starter Kit: - 1/4 Mile Open-Air Range, Door Left-Open Reminders,5 Years Battery Life, SMS/Text, Email & App Alerts, Alexa, IFTTT, Home Assistant
374.6 out of 5 Stars. 37 reviews
Uxcell Wired Door Contact Sensor N.O. Surface Mount Magnetic Reed Switch Black $7.88
Sponsored
$788
current price $7.88Uxcell Wired Door Contact Sensor N.O. Surface Mount Magnetic Reed Switch Black
50+ bought since yesterday Philips Personal Security Window and Door Alarm, 2-Pack From $15.97
50+ bought since yesterday
2 options
Available in additional 2 optionsFrom$1597
Philips Personal Security Window and Door Alarm, 2-Pack
8814.5 out of 5 Stars. 881 reviews
Flash Deal Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (8 Pcs) Home Alarm(Batteries not included) From $10.44
Flash Deal
2 options
Available in additional 2 optionsFrom$1044
Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (8 Pcs) Home Alarm(Batteries not included)
2323.8 out of 5 Stars. 232 reviews
Best seller Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (10 Pcs) Home Alarm(Batteries not included) From $11.89
Best seller
3 options
Available in additional 3 optionsFrom$1189
Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (10 Pcs) Home Alarm(Batteries not included)
453.8 out of 5 Stars. 45 reviews
Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office
Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office
74.7 out of 5 Stars. 7 reviews
Best seller Bitiwend Door Alarm Sensor Bitiwend Wireless Door Chime Alert for Kids Safety Home (1 Receiver+3 Sensors)
Best seller
Bitiwend Door Alarm Sensor Bitiwend Wireless Door Chime Alert for Kids Safety Home (1 Receiver+3 Sensors)
1354.1 out of 5 Stars. 135 reviews
6 Pack Wireless Door Window Alarm Magnetic Burglar Sensor Garage Apartment RV !! $9.28 Was $10.60
Now$928
current price Now $9.28, Was $10.60$10.60
6 Pack Wireless Door Window Alarm Magnetic Burglar Sensor Garage Apartment RV !!
23 out of 5 Stars. 2 reviews
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 From $9.99
Sponsored
From$999
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
1474.1 out of 5 Stars. 147 reviews
Cotinse Wireless Door Chime with RGB Light, 700ft Range Door Open Sensor Alarm, 58 Melodies, 5 Volume Levels, Security Alert for Home, Business & Retail Store $15.99
Sponsored
$1599
current price $15.99Cotinse Wireless Door Chime with RGB Light, 700ft Range Door Open Sensor Alarm, 58 Melodies, 5 Volume Levels, Security Alert for Home, Business & Retail Store
44 out of 5 Stars. 4 reviews
NFTIGB WiFi Smart Door Window Sensor Alarm Magnetic Home Security System Door Open Alert with APP Remote Control for Garage, Apartment, Dorm, Shop and Office $15.14
$1514
current price $15.14NFTIGB WiFi Smart Door Window Sensor Alarm Magnetic Home Security System Door Open Alert with APP Remote Control for Garage, Apartment, Dorm, Shop and Office
M Buder Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security, 1.9 inches / 50mm Sensing Distance $16.78
$1678
current price $16.78M Buder Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security, 1.9 inches / 50mm Sensing Distance
Best seller Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black From $13.58
Best seller
From$1358
Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black
1164.1 out of 5 Stars. 116 reviews
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
683.5 out of 5 Stars. 68 reviews
Wireless Magnetic Sensor Burglar Alarm for Doors and Windows, 90dB Loud Sound Alert, Easy Peel and Stick Installation for Home Security $6.28 Was $6.99
Now$628
current price Now $6.28, Was $6.99$6.99
Wireless Magnetic Sensor Burglar Alarm for Doors and Windows, 90dB Loud Sound Alert, Easy Peel and Stick Installation for Home Security
Vivint dw12 window and door sensor $33.97
$3397
current price $33.97Vivint dw12 window and door sensor
65 out of 5 Stars. 6 reviews
10Sets Wired Alarm Magnetic Door Contact Sensor Door Window Reed Switch Sensor With Double Side Tape For Security Window Sensors $13.99
$1399
current price $13.9910Sets Wired Alarm Magnetic Door Contact Sensor Door Window Reed Switch Sensor With Double Side Tape For Security Window Sensors
GREENCYCLE Wireless Door Open Sensor Chime, Door Entry Chime with Adjustable Volume, 48 Chimes, Nightlight Function, Magnetic Door Chime for Business Home Office Store, 1 Receiver and 2 Sensors From $19.90
From$1990
GREENCYCLE Wireless Door Open Sensor Chime, Door Entry Chime with Adjustable Volume, 48 Chimes, Nightlight Function, Magnetic Door Chime for Business Home Office Store, 1 Receiver and 2 Sensors
544.3 out of 5 Stars. 54 reviews
Window Alarm, 6-Pack Mini Wireless Window Door Entry Alarm Burglar Security Alarm System Magnetic Sensor Protector for Home $11.99
Sponsored
$1199
current price $11.99Window Alarm, 6-Pack Mini Wireless Window Door Entry Alarm Burglar Security Alarm System Magnetic Sensor Protector for Home
42 out of 5 Stars. 4 reviews
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 From $9.99
8 options
Available in additional 8 optionsFrom$999
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
1474.1 out of 5 Stars. 147 reviews
4X Magnetic Sensor Home Door Window Entry Warning Alarm Switch $8.16
$816
current price $8.164X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
2 Pack Door Window Alarm, 120dB Magnetic Entry Alert Door Alarm When Opened Wireless Door Sensor Alarm for Office Store Home Security, White $15.99
$1599
current price $15.992 Pack Door Window Alarm, 120dB Magnetic Entry Alert Door Alarm When Opened Wireless Door Sensor Alarm for Office Store Home Security, White
Best seller Entry Sensor - Window and Door Protection - Compatible with Gen 3 Home Security System $40.99 Was $49.99 $10.25/ea
Best seller
Now$4099
current price Now $40.99, Was $49.99$49.99
$10.25/ea
Entry Sensor - Window and Door Protection - Compatible with Gen 3 Home Security System
344.6 out of 5 Stars. 34 reviews
Best seller SABRE Door Handle Alarm 110dB Door Alarm for Home Security $5.87 Was $12.79
Best seller
Now$587
current price Now $5.87, Was $12.79$12.79
SABRE Door Handle Alarm 110dB Door Alarm for Home Security
2464.1 out of 5 Stars. 246 reviews
Window Alarm, 6-Pack Mini Wireless Window Door Entry Alarm Burglar Security Alarm System Magnetic Sensor Protector for Home $11.99
$1199
current price $11.99Window Alarm, 6-Pack Mini Wireless Window Door Entry Alarm Burglar Security Alarm System Magnetic Sensor Protector for Home
42 out of 5 Stars. 4 reviews
6 Pack Wireless Door & Window Alarm, 90dB Magnetic Entry Alert System, Battery Operated Security Sensor with Adhesive Backing for Home, Apartment & Office $8.22 Was $12.10
Now$822
current price Now $8.22, Was $12.10$12.10
6 Pack Wireless Door & Window Alarm, 90dB Magnetic Entry Alert System, Battery Operated Security Sensor with Adhesive Backing for Home, Apartment & Office
15 out of 5 Stars. 1 reviews
5X Magnetic Sensor Home Door Window Entry Warning Alarm Switch $7.73 Was $9.49
Now$773
current price Now $7.73, Was $9.49$9.49
5X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
Magnetic Sensor Home Door Window Entry Warning Alarm Switch $5.09 Was $6.83
Now$509
current price Now $5.09, Was $6.83$6.83
Magnetic Sensor Home Door Window Entry Warning Alarm Switch
SimpliSafe 4 Pack Entry Sensor ES3 Door Window Protection Magnetic Home Security System $41.00
$4100
current price $41.00SimpliSafe 4 Pack Entry Sensor ES3 Door Window Protection Magnetic Home Security System
23.5 out of 5 Stars. 2 reviews
12 Pack Wireless Security Window/Door Alarm,Magnetic Sensor Door Window Burglar Alert Alarm Pool Alarms Super Loud for Home,Garage,Apartment,Dorm,RV and Office(Include Batteries) $9.99
$999
current price $9.9912 Pack Wireless Security Window/Door Alarm,Magnetic Sensor Door Window Burglar Alert Alarm Pool Alarms Super Loud for Home,Garage,Apartment,Dorm,RV and Office(Include Batteries)
Cadorn Wireless Home Security Door & Window Entry Burglar Alarm System Magnetic Sensor - 120dB Loud Alert, Easy Installation, for Home, Office, Garage - White $2.93 Was $18.99
Now$293
current price Now $2.93, Was $18.99$18.99
Cadorn Wireless Home Security Door & Window Entry Burglar Alarm System Magnetic Sensor - 120dB Loud Alert, Easy Installation, for Home, Office, Garage - White
15 out of 5 Stars. 1 reviews
Wireless Home Security Alarm System Magnetic Sensor for Doors Windows Burglar Alert Entry Chime with Loud 90dB Siren for House Apartment Office Garage Protection $3.97
$397
current price $3.97Wireless Home Security Alarm System Magnetic Sensor for Doors Windows Burglar Alert Entry Chime with Loud 90dB Siren for House Apartment Office Garage Protection
VALSEEL WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor $1.99
$199
current price $1.99VALSEEL WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor
VistaTech Magnetic Door and Window Sensor Alarm Set, 90dB Siren, 4-Pack $12.59
$1259
current price $12.59VistaTech Magnetic Door and Window Sensor Alarm Set, 90dB Siren, 4-Pack
Eolstice Door Magnetic Alarm, Wireless Door Sensor, Entry Alert with Loud Sound, Home Security Device for Front Door, Bedroom Window, Apartment Protection $6.88
$688
current price $6.88Eolstice Door Magnetic Alarm, Wireless Door Sensor, Entry Alert with Loud Sound, Home Security Device for Front Door, Bedroom Window, Apartment Protection
GE Personal Security Window/Door, 12-Pack, Magnetic Sensor, Off/Chime/Alarm, Easy Installation, 45989, White $45.25
$4525
current price $45.25GE Personal Security Window/Door, 12-Pack, Magnetic Sensor, Off/Chime/Alarm, Easy Installation, 45989, White
114.2 out of 5 Stars. 11 reviews
Magnetic Door Window Sensor, Intelligent Intrusion Detector Alarm, for Home Security, WiFi Connectivity, Easy Installation, Real-Time Alerts, for Doors Windows, App Control $10.78
$1078
current price $10.78Magnetic Door Window Sensor, Intelligent Intrusion Detector Alarm, for Home Security, WiFi Connectivity, Easy Installation, Real-Time Alerts, for Doors Windows, App Control
Gieenan Door Window Sensors Surface Mount Wireds Magnetic Door Contact Sensor Switches $15.43
$1543
current price $15.43Gieenan Door Window Sensors Surface Mount Wireds Magnetic Door Contact Sensor Switches
Door and Window Alarm, 4-Pack Wireless Magnetic Security Sensor with 90dB Loud Siren, Tool-Free Adhesive Entry Alert for Home, Gates and Cabinets $6.72
$672
current price $6.72Door and Window Alarm, 4-Pack Wireless Magnetic Security Sensor with 90dB Loud Siren, Tool-Free Adhesive Entry Alert for Home, Gates and Cabinets
Wireless Magnetic Door Window Alarm Sensor with 90dB Loud Siren for Home Security Entry Alert System $4.99
$499
current price $4.99Wireless Magnetic Door Window Alarm Sensor with 90dB Loud Siren for Home Security Entry Alert System
10PCS Wireless Home Window Door Burglar Security Alarm System Magnetic Sensor $12.00 Was $14.97
Now$1200
current price Now $12.00, Was $14.97$14.97
10PCS Wireless Home Window Door Burglar Security Alarm System Magnetic Sensor
25 out of 5 Stars. 2 reviews
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
53.2 out of 5 Stars. 5 reviews
Smart WiFi Door Window Sensor Wireless Real-Time Alert Notification Home Security Magnetic Entry Alarm Sensor $10.99 Was $15.99
Now$1099
current price Now $10.99, Was $15.99$15.99
Smart WiFi Door Window Sensor Wireless Real-Time Alert Notification Home Security Magnetic Entry Alarm Sensor
Door Window Alarm Wireless Magnetic Sensor Burglar Alert 90dB for Kids Safety pack of 8 From $14.20
5 options
Available in additional 5 optionsFrom$1420
Door Window Alarm Wireless Magnetic Sensor Burglar Alert 90dB for Kids Safety pack of 8
8X Magnetic Sensor Home Door Window Entry Warning Alarm Switch $8.97
$897
current price $8.978X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
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