‎Contact Sensor

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10 Sets Pack of Wired Surface Mounted Alarm Magnetic Contacts Door Window Reed Switch Sensor with Double Side Tape

10 Sets Pack of Wired Surface Mounted Alarm Magnetic Contacts Door Window Reed Switch Sensor with Double Side Tape

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$19.99
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12 Pack Door Window Alarm for Kids Safety Wireless Door Alarm for Home Security Personal Security Window Alarms Sensor Burglar Door Alarm for Home,Cars,Sheds,Caravans (White)

12 Pack Door Window Alarm for Kids Safety Wireless Door Alarm for Home Security Personal Security Window Alarms Sensor Burglar Door Alarm for Home,Cars,Sheds,Caravans (White)

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Original price was: $19.99.Current price is: $17.99.
10%
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120dB Door Alarms When Opened (2-Pack) for for Kids Safety/Home Security, Window/Door Open Sensor, Sliding Front / Pool Door Alarm, Ideal for Home,Business Office Entry,Garage,Apartment (Black)

120dB Door Alarms When Opened (2-Pack) for for Kids Safety/Home Security, Window/Door Open Sensor, Sliding Front / Pool Door Alarm, Ideal for Home,Business Office Entry,Garage,Apartment (Black)

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$15.99
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16 Pieces Door Window Alarm for Home Security Bulk Wireless Door Window Alarm Sensors Anti Theft Window Security Alarm Burglar Alarm for Kids Safety, Doorbell, Office, House Security Protection

16 Pieces Door Window Alarm for Home Security Bulk Wireless Door Window Alarm Sensors Anti Theft Window Security Alarm Burglar Alarm for Kids Safety, Doorbell, Office, House Security Protection

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$20.99
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2 Pack Home Door and Window Alarm,Security Wireless Window Alarm Sensor, Wireless Door Alarm for Home Security, Cabinet Open Alarm Pool Door Alarm for Kids Safety Child Toddler Door Open Alarm Sensor

2 Pack Home Door and Window Alarm,Security Wireless Window Alarm Sensor, Wireless Door Alarm for Home Security, Cabinet Open Alarm Pool Door Alarm for Kids Safety Child Toddler Door Open Alarm Sensor

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Original price was: $7.88.Current price is: $6.95.
12%
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2 Sets MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch

2 Sets MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch

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$7.99
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2-Pack Door Alarms When Opened for Kids Safety, Window Alarm Sensor with Remote for Home Security, 90/120dB Alarm for Sliding Door/Business Entry, Monitor Alert for Dementia Patient/Elderly/Pet, White

2-Pack Door Alarms When Opened for Kids Safety, Window Alarm Sensor with Remote for Home Security, 90/120dB Alarm for Sliding Door/Business Entry, Monitor Alert for Dementia Patient/Elderly/Pet, White

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$21.99
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2-Pack Smart Door and Window Sensor, 2.4G WiFi Door Sensor, Tuya/Smart Life Contact Sensors for Home Security & Smart Home Automation, Compatible with Alexa Google Assistant

2-Pack Smart Door and Window Sensor, 2.4G WiFi Door Sensor, Tuya/Smart Life Contact Sensors for Home Security & Smart Home Automation, Compatible with Alexa Google Assistant

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$18.89
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2-Pack WiFi Door and Window Sensors,Tuya Smart Alarm with Free Notification APP Control Home Security Alarm System, No Hub Required,Compatible with Alexa, Google Home

2-Pack WiFi Door and Window Sensors,Tuya Smart Alarm with Free Notification APP Control Home Security Alarm System, No Hub Required,Compatible with Alexa, Google Home

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$21.99
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5 Pack Magnetic Contacts Switch Window Door Sensor for Alarm System NC 3/8″

5 Pack Magnetic Contacts Switch Window Door Sensor for Alarm System NC 3/8″

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$8.99
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5 Pack NC Magnetic Switch Contacts Door Sensor for Home Alarm Security System

5 Pack NC Magnetic Switch Contacts Door Sensor for Home Alarm Security System

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$9.99
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5 Pack Water Leak Detectors for Home, 100dB Water Sensor Alarm for Basement, Water Leakage Detection Devices for Pipe/Drain/Sink/Faucet Drip, Floor Flooding in Bathroom/Kitchen/Toilet/Laundry Room

5 Pack Water Leak Detectors for Home, 100dB Water Sensor Alarm for Basement, Water Leakage Detection Devices for Pipe/Drain/Sink/Faucet Drip, Floor Flooding in Bathroom/Kitchen/Toilet/Laundry Room

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$39.99
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5-Pack Window Alarms for Home Security, 120dB Door and Window Open Sensor Chime for Kid Safety, Pool Safety, Sliding Door, DIY Protection, Easy Installation, Ideal for Home,Garage,Apartment (Black)

5-Pack Window Alarms for Home Security, 120dB Door and Window Open Sensor Chime for Kid Safety, Pool Safety, Sliding Door, DIY Protection, Easy Installation, Ideal for Home,Garage,Apartment (Black)

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$33.99
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D-Link DCH-S1621KT Wi-Fi Water Leak Sensor and Alarm Starter Kit, Whole Home System with App Notification, AC Powered, No Hub Required (DCH-S1621KT), White

D-Link DCH-S1621KT Wi-Fi Water Leak Sensor and Alarm Starter Kit, Whole Home System with App Notification, AC Powered, No Hub Required (DCH-S1621KT), White

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Original price was: $79.99.Current price is: $72.99.
9%
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Door Alarm for Home Security, Updated Magnetic Alarm for Kids Safety, Chime Window Alarm Sensor, 110dB, Pool Alarm (2 Pack)

Door Alarm for Home Security, Updated Magnetic Alarm for Kids Safety, Chime Window Alarm Sensor, 110dB, Pool Alarm (2 Pack)

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$11.99
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Door Alarm for Home, Door Sensor, Window Alarm for Home Security, Pool Door Alarm for Kids (6 Pack)

Door Alarm for Home, Door Sensor, Window Alarm for Home Security, Pool Door Alarm for Kids (6 Pack)

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Original price was: $25.99.Current price is: $22.99.
12%
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Door Alarm When Opened (2 Pack), Greencycle Door and Window Alarm for Home, Door and Window Open Sensor, 4 Alarm Mode 110 dB for Garage Kids Safety Refrigerators Apartment Garage Home Office

Door Alarm When Opened (2 Pack), Greencycle Door and Window Alarm for Home, Door and Window Open Sensor, 4 Alarm Mode 110 dB for Garage Kids Safety Refrigerators Apartment Garage Home Office

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$9.99
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Door Alarm with Remote, Wireless Window Alarms 120DB Open Sensor with Multiple Modes, Pool Door Alarm for Child and Elder Safety

Door Alarm with Remote, Wireless Window Alarms 120DB Open Sensor with Multiple Modes, Pool Door Alarm for Child and Elder Safety

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Original price was: $18.99.Current price is: $15.99.
16%
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Door Alarms for Kids Safety Home Security Volume Ajustable Door Open Alarm Sensor Window Alarm 0-120 dB with 4 Modes Open Alarm/Close/Dingdong/Reminder Burglar Alarm for Pool Office Business Shop

Door Alarms for Kids Safety Home Security Volume Ajustable Door Open Alarm Sensor Window Alarm 0-120 dB with 4 Modes Open Alarm/Close/Dingdong/Reminder Burglar Alarm for Pool Office Business Shop

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$21.50
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Door Alarms for Kids Safety, VOXON Window Alarm Door Alarm for Home Security Personal Security Window Alarms Sensor Burglar Door Alarm for Pool, Cars, Sheds, Caravans DIY Kit Pack of 2

Door Alarms for Kids Safety, VOXON Window Alarm Door Alarm for Home Security Personal Security Window Alarms Sensor Burglar Door Alarm for Pool, Cars, Sheds, Caravans DIY Kit Pack of 2

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Original price was: $14.99.Current price is: $9.99.
33%
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Door Chime, METAK Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter + 1 Plug-in Receiver

Door Chime, METAK Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter + 1 Plug-in Receiver

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$21.79
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Door Sensor – Window and Door Protection – Compatible with GRSICO Home Security System-HUB Needed

Door Sensor – Window and Door Protection – Compatible with GRSICO Home Security System-HUB Needed

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$12.99
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Door Sensor Outlet Plug Kit, Wireless Mini Contact Window Sensor, Group Control Unlimited Devices, No Wiring No WiFi, 130 ft, 15A/1500W, Programmable, for Household Appliances

Door Sensor Outlet Plug Kit, Wireless Mini Contact Window Sensor, Group Control Unlimited Devices, No Wiring No WiFi, 130 ft, 15A/1500W, Programmable, for Household Appliances

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$21.99
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Door Window Alarm Sensors – Door Alarms for Kids Safety, Door Alarms for Home Security, for Home, Office, Store, Garage, Dorm Room, Apartment, RV, Silver Gray, 6 Pack

Door Window Alarm Sensors – Door Alarms for Kids Safety, Door Alarms for Home Security, for Home, Office, Store, Garage, Dorm Room, Apartment, RV, Silver Gray, 6 Pack

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Original price was: $39.99.Current price is: $29.99.
25%
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Door Window Alarm When Opened for Home Security with Remote, 6 Pcs Wireless Door Sensor Alarm for Kids Safety with Adjustable Volume

Door Window Alarm When Opened for Home Security with Remote, 6 Pcs Wireless Door Sensor Alarm for Kids Safety with Adjustable Volume

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$38.99
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Door Window Alarm, 120DB Door Alarms for Kids Safety, Door Chime for Store Home

Door Window Alarm, 120DB Door Alarms for Kids Safety, Door Chime for Store Home

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Original price was: $39.99.Current price is: $26.99.
33%
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Door Window Alarm, 90DB Door Alarms for Kids Safety, Door Window Burglar Alarm-Window Pool Alarms for Home (15 Pack)

Door Window Alarm, 90DB Door Alarms for Kids Safety, Door Window Burglar Alarm-Window Pool Alarms for Home (15 Pack)

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$20.99
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Door Window Alarm, 90DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home, 15 Pack

Door Window Alarm, 90DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home, 15 Pack

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$20.99
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Door Window Alarm, 90DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home, 3 Pack

Door Window Alarm, 90DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home, 3 Pack

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$8.99
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Door Window Alarm,110DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home (3PCS)

Door Window Alarm,110DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home (3PCS)

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Original price was: $13.98.Current price is: $11.99.
14%
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Door Window Alarms – 4 Pack – Adjustable Volume, Chime/Alarm, Wireless, Door Window Alarm Sensor for Home Security, Kids Safety, Door Open Alert Security Alarm for Home, Apartment and more, by Rosmila

Door Window Alarms – 4 Pack – Adjustable Volume, Chime/Alarm, Wireless, Door Window Alarm Sensor for Home Security, Kids Safety, Door Open Alert Security Alarm for Home, Apartment and more, by Rosmila

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$19.99
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Door Window Alarms – 6 Pack – Adjustable Volume, Chime/Alarm, Wireless, Door Window Alarm Sensor for Home Security, Kids Safety, Door Open Alert Security Alarm for Home, Apartment and more, by Rosmila

Door Window Alarms – 6 Pack – Adjustable Volume, Chime/Alarm, Wireless, Door Window Alarm Sensor for Home Security, Kids Safety, Door Open Alert Security Alarm for Home, Apartment and more, by Rosmila

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Original price was: $25.99.Current price is: $23.99.
8%
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Door Window Alarms, Door Alarms for Kids Safety, Door Window Alarm Sensor for Home Security, Window Pool Alarms for Home

Door Window Alarms, Door Alarms for Kids Safety, Door Window Alarm Sensor for Home Security, Window Pool Alarms for Home

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$24.99
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Door Window Alarms, Toeeson 120DB Pool Door Alarms for Kids Safety, Window Alarms for Home

Door Window Alarms, Toeeson 120DB Pool Door Alarms for Kids Safety, Window Alarms for Home

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$39.99
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Door Window Alarms, Zabree 120 DB Pool Alarms for Inground Pools, Magnet Pool Door Window Security Alarms

Door Window Alarms, Zabree 120 DB Pool Alarms for Inground Pools, Magnet Pool Door Window Security Alarms

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$21.99
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Door Window Sensors, Door Window Alarm, Door Alarms for Home Security Loud, 120DB Pool Window and Door Alarms for Kids Safety(8 Pack)

Door Window Sensors, Door Window Alarm, Door Alarms for Home Security Loud, 120DB Pool Window and Door Alarms for Kids Safety(8 Pack)

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Original price was: $32.99.Current price is: $26.99.
18%
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