Shop window sensors

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$89.94
$99.99
Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy
Amazon.com
26K+
Free shipping
10% off
$89.94
$99.99
Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy
Amazon.com
26K+
$69.99
Ring Alarm Glass Break Sensor - 2-Pack
Amazon.com
1K+
Free shipping
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Ring Alarm Glass Break Sensor - 2-Pack
Amazon.com
1K+
$52.90
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
141
Free shipping
$52.90
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
141
$29.98
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base
Amazon.com
28K+
25% off
$29.98
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base
Amazon.com
28K+
$54.99
Simplisafe Entry Sensor (Pack Of 4) - Window And Door Protection - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
2K+
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Simplisafe Entry Sensor (Pack Of 4) - Window And Door Protection - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
2K+
$39.14
$47.10
Safety Technology International, Inc. STI-3360 Wireless Entry Alert Chime With Receiver, Door Or Window Transmitter Sensor STI-3353 Receiver Sold
Amazon.com
Free shipping
16% off
$39.14
$47.10
Safety Technology International, Inc. STI-3360 Wireless Entry Alert Chime With Receiver, Door Or Window Transmitter Sensor STI-3353 Receiver Sold
Amazon.com
Free shipping
$69.99
$79.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
Amazon.com
394
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12% off
$69.99
$79.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
Amazon.com
394
$90.83
ABB Busch-Jaeger Fah Window Sensor Basalt Black WL 6222/1 AP-65-WL - 2CKA006200A0069
Tameson.com
$90.83
ABB Busch-Jaeger Fah Window Sensor Basalt Black WL 6222/1 AP-65-WL - 2CKA006200A0069
Tameson.com
$34.98
King Electric Window Contact Sensor For Window Watcher Thermostat Kit (King Electric WINDOW-CONTACT) | Made In America
HomElectrical
$34.98
King Electric Window Contact Sensor For Window Watcher Thermostat Kit (King Electric WINDOW-CONTACT) | Made In America
HomElectrical
$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+
$134.99
$269.98
Aqara Smart Door And Window Sensor Wireless Zigbee Security Alarm Compatible With Mi Home And Apple Homekit - Door Sensor 2Pcs | Inspired Finds
Inspire Uplift
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$134.99
$269.98
Aqara Smart Door And Window Sensor Wireless Zigbee Security Alarm Compatible With Mi Home And Apple Homekit - Door Sensor 2Pcs | Inspired Finds
Inspire Uplift
Free shipping
$89.99
$99.99
Ring Alarm Window And Door Contact Sensor 6-Pack (2Nd Gen) In White | 4SD6SZ-0EN0
Lowe's
26K+
10% off
$89.99
$99.99
Ring Alarm Window And Door Contact Sensor 6-Pack (2Nd Gen) In White | 4SD6SZ-0EN0
Lowe's
26K+
$29.07
2GIG Wireless Door/Window Contact Sensor 345 Mhz GDW100-345
DkHardware.com
$29.07
2GIG Wireless Door/Window Contact Sensor 345 Mhz GDW100-345
DkHardware.com
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
5
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
5
$62.76
King Electric KRF-WINDOW-SENSOR Radio Frequency Battery-Powered Window And Door Sensor For KRFTP Thermostats | Supplyhouse.Com
SupplyHouse.com
$62.76
King Electric KRF-WINDOW-SENSOR Radio Frequency Battery-Powered Window And Door Sensor For KRFTP Thermostats | Supplyhouse.Com
SupplyHouse.com
$125.95
$251.90
Wireless Door & Window Sensor 433Mhz Smart Open Door Detector For Home Alarm Systems - 3 Pcs | Inspire Curations
Inspire Uplift
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$125.95
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Wireless Door & Window Sensor 433Mhz Smart Open Door Detector For Home Alarm Systems - 3 Pcs | Inspire Curations
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$148.95
$297.90
Wireless Door & Window Sensor 433Mhz Smart Open Door Detector For Home Alarm Systems - 6 Pcs | Inspire Curations
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$148.95
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Wireless Door & Window Sensor 433Mhz Smart Open Door Detector For Home Alarm Systems - 6 Pcs | Inspire Curations
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$111.99
$223.98
Wireless Door Window Sensor 433 Mhz Contact Detector For Smart Home Security Systems - 10 Pcs | Inspired Finds
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Wireless Door Window Sensor 433 Mhz Contact Detector For Smart Home Security Systems - 10 Pcs | Inspired Finds
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$17.98
$19.98
Sgokeen 700ft Wireless Door Alarm Sensor Chime Window Sensor 58 Chimes 0-120 Db,1 Receiver & 2 Sensors
Walmart
10% off
$17.98
$19.98
Sgokeen 700ft Wireless Door Alarm Sensor Chime Window Sensor 58 Chimes 0-120 Db,1 Receiver & 2 Sensors
Walmart
$186.00
SD3-WINDOW MATSUSHITA ELECTRIC - Sensors & Switches & Photoelectric Supplies
Radwell.com
$186.00
SD3-WINDOW MATSUSHITA ELECTRIC - Sensors & Switches & Photoelectric Supplies
Radwell.com
$12.99
$19.99
Goveelife Door And Window Sensor, 1 Pack
Govee-US
35% off
$12.99
$19.99
Goveelife Door And Window Sensor, 1 Pack
Govee-US
$44.97
Wireless Home Security System, Window And Door Magnetic Sensor Alarm For Burglar Prevention Wireless Home Security System, Window And Door Magnetic Se
Inspire Uplift
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Wireless Home Security System, Window And Door Magnetic Sensor Alarm For Burglar Prevention Wireless Home Security System, Window And Door Magnetic Se
Inspire Uplift
$10.99
Door Window Alarm, 90Db Door Alarms For Kids Safety, Door Window Burglar Alarm-Window Pool Alarms For Home (2 Pack)
Walmart
$10.99
Door Window Alarm, 90Db Door Alarms For Kids Safety, Door Window Burglar Alarm-Window Pool Alarms For Home (2 Pack)
Walmart
$29.92
Philips Personal Security Window And Door Alarm, 4-Pack, White
Walmart
$29.92
Philips Personal Security Window And Door Alarm, 4-Pack, White
Walmart
$19.99
$39.99
Goveelife Door And Window Sensor, 2-Pack
Govee-US
50% off
$19.99
$39.99
Goveelife Door And Window Sensor, 2-Pack
Govee-US
$39.99
Simplisafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
984
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$39.99
Simplisafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
984
$25.97
$51.94
Wireless Home Security Alarm, Door Window Magnetic Sensor Burglar Alert System | Prime Goods Market
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Wireless Home Security Alarm, Door Window Magnetic Sensor Burglar Alert System | Prime Goods Market
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$175.50
$350.99
Wireless Door Window Sensor 433Mhz Door Open Detector For Smart Home Alarm Systems - 6 Pcs | Uplift Picks
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$175.50
$350.99
Wireless Door Window Sensor 433Mhz Door Open Detector For Smart Home Alarm Systems - 6 Pcs | Uplift Picks
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$118.97
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Aqara Door And Window Sensor Zigbee Wireless Smart Home Compatible With Homekit - 2 Pcs | Uplifted Finds
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$118.97
$237.94
Aqara Door And Window Sensor Zigbee Wireless Smart Home Compatible With Homekit - 2 Pcs | Uplifted Finds
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$178.00
$355.99
Wireless Door Window Sensor 433Mhz Door Open Detector For Smart Home Alarm Systems - 10 Pcs | Uplift Picks
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$178.00
$355.99
Wireless Door Window Sensor 433Mhz Door Open Detector For Smart Home Alarm Systems - 10 Pcs | Uplift Picks
Inspire Uplift
Free shipping
$73.92
Feit Electric Battery-Powered Smart Wi-Fi Door And Window Sensor, Easy Setup - No Hub Required In White (12-Pack)
Tattootraveler Store C
$73.92
Feit Electric Battery-Powered Smart Wi-Fi Door And Window Sensor, Easy Setup - No Hub Required In White (12-Pack)
Tattootraveler Store C
$11.95
Wifi Wireless Smart Magnetic Door Window Sensor Detector Alarm For Google Home
Walmart
Free shipping
$11.95
Wifi Wireless Smart Magnetic Door Window Sensor Detector Alarm For Google Home
Walmart
Free shipping
$34.39
Feit Electric Door And Window Sensor Smart Battery Powered Indoor White White MOT/DOORWIFIBAT
DkHardware.com
$34.39
Feit Electric Door And Window Sensor Smart Battery Powered Indoor White White MOT/DOORWIFIBAT
DkHardware.com
$32.97
$65.94
10 Pack Wireless Home Window Door Burglar Security Alarm System With Magnetic Sensors | Prime Goods Market
Inspire Uplift
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$32.97
$65.94
10 Pack Wireless Home Window Door Burglar Security Alarm System With Magnetic Sensors | Prime Goods Market
Inspire Uplift
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$120.95
Eve Door & Window Wireless Contact Sensor With Matter - 3-Pack
Crutchfield
$120.95
Eve Door & Window Wireless Contact Sensor With Matter - 3-Pack
Crutchfield
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Swann Smart Home Window Door Sensor Pairing Setup Tutorial
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Swann Smart Home Window Door Sensor Pairing Setup Tutorial
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Shop window sensors

Sponsored
About our ads
$89.94
$99.99
Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy
Amazon.com
26K+
Free shipping
10% off
$89.94
$99.99
Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy
Amazon.com
26K+
$69.99
Ring Alarm Glass Break Sensor - 2-Pack
Amazon.com
1K+
Free shipping
$69.99
Ring Alarm Glass Break Sensor - 2-Pack
Amazon.com
1K+
$52.90
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
141
Free shipping
$52.90
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
141
$29.98
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base
Amazon.com
28K+
25% off
$29.98
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base
Amazon.com
28K+
$54.99
Simplisafe Entry Sensor (Pack Of 4) - Window And Door Protection - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
2K+
Free shipping
$54.99
Simplisafe Entry Sensor (Pack Of 4) - Window And Door Protection - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
2K+
$39.14
$47.10
Safety Technology International, Inc. STI-3360 Wireless Entry Alert Chime With Receiver, Door Or Window Transmitter Sensor STI-3353 Receiver Sold
Amazon.com
Free shipping
16% off
$39.14
$47.10
Safety Technology International, Inc. STI-3360 Wireless Entry Alert Chime With Receiver, Door Or Window Transmitter Sensor STI-3353 Receiver Sold
Amazon.com
Free shipping
$69.99
$79.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
Amazon.com
394
Free shipping
12% off
$69.99
$79.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
Amazon.com
394
$90.83
ABB Busch-Jaeger Fah Window Sensor Basalt Black WL 6222/1 AP-65-WL - 2CKA006200A0069
Tameson.com
$90.83
ABB Busch-Jaeger Fah Window Sensor Basalt Black WL 6222/1 AP-65-WL - 2CKA006200A0069
Tameson.com
$34.98
King Electric Window Contact Sensor For Window Watcher Thermostat Kit (King Electric WINDOW-CONTACT) | Made In America
HomElectrical
$34.98
King Electric Window Contact Sensor For Window Watcher Thermostat Kit (King Electric WINDOW-CONTACT) | Made In America
HomElectrical
$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+
$134.99
$269.98
Aqara Smart Door And Window Sensor Wireless Zigbee Security Alarm Compatible With Mi Home And Apple Homekit - Door Sensor 2Pcs | Inspired Finds
Inspire Uplift
Free shipping
50% off
$134.99
$269.98
Aqara Smart Door And Window Sensor Wireless Zigbee Security Alarm Compatible With Mi Home And Apple Homekit - Door Sensor 2Pcs | Inspired Finds
Inspire Uplift
Free shipping
$89.99
$99.99
Ring Alarm Window And Door Contact Sensor 6-Pack (2Nd Gen) In White | 4SD6SZ-0EN0
Lowe's
26K+
10% off
$89.99
$99.99
Ring Alarm Window And Door Contact Sensor 6-Pack (2Nd Gen) In White | 4SD6SZ-0EN0
Lowe's
26K+
$29.07
2GIG Wireless Door/Window Contact Sensor 345 Mhz GDW100-345
DkHardware.com
$29.07
2GIG Wireless Door/Window Contact Sensor 345 Mhz GDW100-345
DkHardware.com
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
5
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
5
$62.76
King Electric KRF-WINDOW-SENSOR Radio Frequency Battery-Powered Window And Door Sensor For KRFTP Thermostats | Supplyhouse.Com
SupplyHouse.com
$62.76
King Electric KRF-WINDOW-SENSOR Radio Frequency Battery-Powered Window And Door Sensor For KRFTP Thermostats | Supplyhouse.Com
SupplyHouse.com
$125.95
$251.90
Wireless Door & Window Sensor 433Mhz Smart Open Door Detector For Home Alarm Systems - 3 Pcs | Inspire Curations
Inspire Uplift
Free shipping
50% off
$125.95
$251.90
Wireless Door & Window Sensor 433Mhz Smart Open Door Detector For Home Alarm Systems - 3 Pcs | Inspire Curations
Inspire Uplift
Free shipping
$148.95
$297.90
Wireless Door & Window Sensor 433Mhz Smart Open Door Detector For Home Alarm Systems - 6 Pcs | Inspire Curations
Inspire Uplift
Free shipping
50% off
$148.95
$297.90
Wireless Door & Window Sensor 433Mhz Smart Open Door Detector For Home Alarm Systems - 6 Pcs | Inspire Curations
Inspire Uplift
Free shipping
$111.99
$223.98
Wireless Door Window Sensor 433 Mhz Contact Detector For Smart Home Security Systems - 10 Pcs | Inspired Finds
Inspire Uplift
Free shipping
50% off
$111.99
$223.98
Wireless Door Window Sensor 433 Mhz Contact Detector For Smart Home Security Systems - 10 Pcs | Inspired Finds
Inspire Uplift
Free shipping