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Household Sensors Alarms

62 deals available


  • 30% Off
    3 Pack Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector Battery Operated with Digital Display (White)

    New

    3 Pack Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector Battery Operated with Digital Display (White)

    $49.99 $70.99

    FREE SHIPPING 136

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  • 17% Off
    AEGISLINK Smoke Detector 10-Year Battery with Test/Silence Button, Fire Alarm with Photoelectric Sensor, Low Battery Warning, S500 (Independent, 6-Pack)

    New

    AEGISLINK Smoke Detector 10-Year Battery with Test/Silence Button, Fire Alarm with Photoelectric Sensor, Low Battery Warning, S500 (Independent, 6-Pack)

    $56.69 $67.99

    FREE SHIPPING 86

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  • AEGISLINK Smoke Detector 10-Year Battery with Test/Silence Button, Fire Alarm with Photoelectric Sensor, Low Battery Warning, S500 (Independent, 6-Pack)

    Used

    AEGISLINK Smoke Detector 10-Year Battery with Test/Silence Button, Fire Alarm with Photoelectric Sensor, Low Battery Warning, S500 (Independent, 6-Pack)

    $54.42

    FREE SHIPPING 83

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  • NEW Driveway Alarm 1Byone Home Security Alert System with 36 Melodies SHIPS FREE

    New

    NEW Driveway Alarm 1Byone Home Security Alert System with 36 Melodies SHIPS FREE

    $19.99

    FREE SHIPPING 194

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  • 10% Off
    1800ft Range Driveway Alarms Wireless Motion Sensors Detectors for Home Security

    New

    1800ft Range Driveway Alarms Wireless Motion Sensors Detectors for Home Security

    $59.76 $66.40

    FREE SHIPPING122

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  • EPTTECH Smart TLC2326 Tuya Liquid Level Monitor 118 inches APP Oil Water Outdoor Alarm Sensor Household Indicator Ultrasonic Well Monitoring System WiFi Micro Detector Granary Solid Particle Volume

    New

    EPTTECH Smart TLC2326 Tuya Liquid Level Monitor 118 inches APP Oil Water Outdoor Alarm Sensor Household Indicator Ultrasonic Well Monitoring System WiFi Micro Detector Granary Solid Particle Volume

    $56.00

    FREE SHIPPING89

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  • 20% Off
    X-Sense Wi-Fi Water Leak Detector, Smart Water Sensor Alarm, Water Detector Alarm with 1700 ft Transmission Range for Kitchens, Basements, Bathrooms, 3 Water Detectors & 1 Base Station, Model SWS54

    New

    X-Sense Wi-Fi Water Leak Detector, Smart Water Sensor Alarm, Water Detector Alarm with 1700 ft Transmission Range for Kitchens, Basements, Bathrooms, 3 Water Detectors & 1 Base Station, Model SWS54

    $39.99 $49.99

    FREE SHIPPING210

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  • Wireless Driveway Alarm, Motion Sensor , Home Security Alarm System Doorbell

    New

    Wireless Driveway Alarm, Motion Sensor , Home Security Alarm System Doorbell

    $12.74

    FREE SHIPPING158

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  • 3 Pack Smoke and Carbon Monoxide detectors Powered by Batteries, with Digital Display, Smoke and Carbon Dioxide Dual Alarm sensors, Easy to Install Black

    New

    3 Pack Smoke and Carbon Monoxide detectors Powered by Batteries, with Digital Display, Smoke and Carbon Dioxide Dual Alarm sensors, Easy to Install Black

    $46.99

    FREE SHIPPING208

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  • 24% Off
    TECKNET Water Leak Detectors for Home, 120dB Water Sensor Alarm Leak Detector, IP66 Waterproof, Water Leak Detectors for Bathroom, Sink, Laundry, Window, Basements, Kitchens(3 Pack, Battery Included)

    New

    TECKNET Water Leak Detectors for Home, 120dB Water Sensor Alarm Leak Detector, IP66 Waterproof, Water Leak Detectors for Bathroom, Sink, Laundry, Window, Basements, Kitchens(3 Pack, Battery Included)

    $15.15 $19.99

    FREE SHIPPING127

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  • 10% Off
    Wuloo 1800feet Long Range Solar Driveway Alarms Wireless Motion Sensor for Home

    New

    Wuloo 1800feet Long Range Solar Driveway Alarms Wireless Motion Sensor for Home

    $98.91 $109.90

    FREE SHIPPING150

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  • 11% Off
    WiFi Alarm Home Security System, Wireless Alarm System with Loud 120dB Motion Sensor Siren, Window Door Alarms Sensor, Remote Control for Shed Garage

    New

    WiFi Alarm Home Security System, Wireless Alarm System with Loud 120dB Motion Sensor Siren, Window Door Alarms Sensor, Remote Control for Shed Garage

    $53.19 $59.99

    FREE SHIPPING170

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  • Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy Installation | Base Station Required

    New

    Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy Installation | Base Station Required

    $19.99

    FREE SHIPPING60

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  • , 500 FT Range Security Household Sensors & Alarms 2 Count

    New

    , 500 FT Range Security Household Sensors & Alarms 2 Count

    $34.80

    FREE SHIPPING183

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  • Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy Installation | Base Station Required

    Used

    Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy Installation | Base Station Required

    $18.42

    FREE SHIPPING76

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  • Security Door Window Alarm, Wireless Sensor Door Window Burglar Alarm, Door Alarms for Kids Safety, Easy Installation Doorbell Alarms for Office House Window Pool (4 Pack)

    New

    Security Door Window Alarm, Wireless Sensor Door Window Burglar Alarm, Door Alarms for Kids Safety, Easy Installation Doorbell Alarms for Office House Window Pool (4 Pack)

    $9.78

    FREE SHIPPING135

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  • Wireless Driveway Alarm Infrared Motion Sensor Home Garage Alert Security System

    New

    Wireless Driveway Alarm Infrared Motion Sensor Home Garage Alert Security System

    $15.89

    FREE SHIPPING182

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  • Smoke Alarm detectors are Used in Household Kitchens or Offices to detect Gas Alarms (1-Pack)

    New

    Smoke Alarm detectors are Used in Household Kitchens or Offices to detect Gas Alarms (1-Pack)

    $9.99

    FREE SHIPPING65

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  • 6 PCS WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor

    New

    6 PCS WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor

    $9.99

    FREE SHIPPING147

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  • DIY Wireless Home Security Alarm System – Door Motion Sensor, Siren, Remote

    New

    DIY Wireless Home Security Alarm System – Door Motion Sensor, Siren, Remote

    $41.99

    FREE SHIPPING134

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  • 11% Off
    Wireless Remote Control Magnetic Sensor Door Window Home Security Alarm 110dB

    New

    Wireless Remote Control Magnetic Sensor Door Window Home Security Alarm 110dB

    $11.45 $12.87

    FREE SHIPPING84

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  • 4 Home Safety Burglar Alarm Wireless System Security Device Door Window Sensor

    New

    4 Home Safety Burglar Alarm Wireless System Security Device Door Window Sensor

    $9.99

    FREE SHIPPING72

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  • 10% Off
    PIR Motion Sensor Detector Alarm with Remote Control For Home Store Business

    New

    PIR Motion Sensor Detector Alarm with Remote Control For Home Store Business

    $11.85 $13.17

    FREE SHIPPING197

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  • 10% Off
    9-Piece Wireless Home Security System 4.3" Touchscreen Wi-Fi GSM Alarm Kit Alexa

    New

    9-Piece Wireless Home Security System 4.3" Touchscreen Wi-Fi GSM Alarm Kit Alexa

    $99.00 $110.00

    FREE SHIPPING194

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  • 15% Off
    Wireless Remote Control Magnetic Sensor Door Window Home Security Burglar Alarm

    New

    Wireless Remote Control Magnetic Sensor Door Window Home Security Burglar Alarm

    $9.99 $11.69

    200

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  • Driveway Alarm Wireless Infrared Motion Sensor Home Garage Alert Security System

    New

    Driveway Alarm Wireless Infrared Motion Sensor Home Garage Alert Security System

    $14.98

    FREE SHIPPING96

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  • 5% Off
    Wireless Home Alarm System Security Garage Burglar Standalone PIR Motion Detect

    New

    Wireless Home Alarm System Security Garage Burglar Standalone PIR Motion Detect

    $31.02 $32.65

    FREE SHIPPING171

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  • Wireless Home Window Door Burglar Security Alarm System Magnetic Sensor lot

    New

    Wireless Home Window Door Burglar Security Alarm System Magnetic Sensor lot

    $5.98

    FREE SHIPPING111

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  • 433MHz Wireless WIFI +GSM Auto-dial Alarm Security System Smart Home System A7B9

    New

    433MHz Wireless WIFI +GSM Auto-dial Alarm Security System Smart Home System A7B9

    $53.59

    FREE SHIPPING99

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  • 6 PCS WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor

    New

    6 PCS WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor

    $10.89

    FREE SHIPPING69

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  • 10% Off
    Wireless Alarm System Home Security Standalone Garage Burglar PIR Motion Sensor

    New

    Wireless Alarm System Home Security Standalone Garage Burglar PIR Motion Sensor

    $28.17 $31.21

    FREE SHIPPING170

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  • 10% Off
    Wireless PIR Motion Sensor Detector Alarm Door Chime For Home Store Business

    New

    Wireless PIR Motion Sensor Detector Alarm Door Chime For Home Store Business

    $21.17 $23.52

    FREE SHIPPING197

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  • 120dB Wireless Alarm Motion Sensor Detector Home Security Anti-theft Portable US

    New

    120dB Wireless Alarm Motion Sensor Detector Home Security Anti-theft Portable US

    $12.17

    FREE SHIPPING100

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  • Wireless Home Alarm PIR Motion Sensor System Infrared Detector Security

    New

    Wireless Home Alarm PIR Motion Sensor System Infrared Detector Security

    $49.99

    FREE SHIPPING209

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  • 6% Off
    WIFI Tuya Wireless Home Security Alarm System Door Sensor Motion Detect Burglar

    New

    WIFI Tuya Wireless Home Security Alarm System Door Sensor Motion Detect Burglar

    $8.83 $9.39

    FREE SHIPPING93

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  • 8% Off
    AGSHome Alarm System with Motion Sensor, Door/Window Alarms, for Home Security

    New

    AGSHome Alarm System with Motion Sensor, Door/Window Alarms, for Home Security

    $59.99 $64.99

    FREE SHIPPING93

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  • Lot of Tuya Smart Motion Sensor Security Alarm Home Security PIR Motion Detector

    New

    Lot of Tuya Smart Motion Sensor Security Alarm Home Security PIR Motion Detector

    $42.47

    FREE SHIPPING144

    VIEW DEAL
  • 50% Off
    GE Wireless Alarm System Door Sensor Home House Choice Alert Set Motion Window

    New

    GE Wireless Alarm System Door Sensor Home House Choice Alert Set Motion Window

    $7.48 $14.95

    112

    VIEW DEAL
  • 5% Off
    AGSHome 9 PCS Home Alarm System Kit DIY Door Window Sensors for Kid safety

    New

    AGSHome 9 PCS Home Alarm System Kit DIY Door Window Sensors for Kid safety

    $25.18 $26.51

    FREE SHIPPING138

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  • eufy Security Home Alarm System Motion Sensor 30ft Detect Adjustable Sensitivity

    New

    eufy Security Home Alarm System Motion Sensor 30ft Detect Adjustable Sensitivity

    $24.99

    FREE SHIPPING111

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  • 5% Off
    KERUI Upgraded Standalone Home Office Shop Security Alarm System Kit Wireless

    New

    KERUI Upgraded Standalone Home Office Shop Security Alarm System Kit Wireless

    $41.79 $43.99

    FREE SHIPPING75

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  • 5% Off
    KERUI Wireless Burglar Alarm System Garage Security Alert Siren Home Protection

    New

    KERUI Wireless Burglar Alarm System Garage Security Alert Siren Home Protection

    $30.57 $32.18

    FREE SHIPPING63

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  • 6% Off
    Battery Operated 120dB Touch Sensor Door Handle Alarm Anti-Theft Home Security

    New

    Battery Operated 120dB Touch Sensor Door Handle Alarm Anti-Theft Home Security

    $11.79 $12.54

    FREE SHIPPING98

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  • Wireless Standalone Home Office Shop Security Alarm System Garage Door Sensor

    New

    Wireless Standalone Home Office Shop Security Alarm System Garage Door Sensor

    $30.30

    FREE SHIPPING191

    VIEW DEAL
  • 10% Off
    1800FT Long Range Wireless Driveway Alarms Motion Detector Home Outdoor Security

    New

    1800FT Long Range Wireless Driveway Alarms Motion Detector Home Outdoor Security

    $143.91 $159.90

    FREE SHIPPING167

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  • 22% Off
    Ring Alarm 14-Piece Home Security Kit – Wireless System, Works with Alexa

    New

    Ring Alarm 14-Piece Home Security Kit – Wireless System, Works with Alexa

    $199.99 $256.99

    FREE SHIPPING113

    VIEW DEAL
  • Door Window Entry Home Security Wireless Remote Control Magnetic Sensor Alarm

    New

    Door Window Entry Home Security Wireless Remote Control Magnetic Sensor Alarm

    $22.99

    FREE SHIPPING83

    VIEW DEAL
  • 6% Off
    Wireless Driveway Alarm Infrared Motion Sensor Home Garage Alert Security System

    New

    Wireless Driveway Alarm Infrared Motion Sensor Home Garage Alert Security System

    $16.71 $17.78

    FREE SHIPPING105

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  • PIR Motion Sensor Alarm Home Shop Apartment Anti-theft Waterproof Set Sensitive

    New

    PIR Motion Sensor Alarm Home Shop Apartment Anti-theft Waterproof Set Sensitive

    $24.81

    FREE SHIPPING166

    VIEW DEAL
  • 14% Off
    Home Security Wireless Outdoor Driveway Alarm Doorbell 2 Motion Sensor Detector

    New

    Home Security Wireless Outdoor Driveway Alarm Doorbell 2 Motion Sensor Detector

    $29.99 $34.99

    FREE SHIPPING208

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  • 5% Off
    KERUI Wireless Home Shop Alarm Security System Alert Garage Burglar Door Sensor

    New

    KERUI Wireless Home Shop Alarm Security System Alert Garage Burglar Door Sensor

    $30.53 $32.14

    FREE SHIPPING184

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  • C28 Tuya WiFi+GSM Wireless Kits Home Security Burglar Alarm System+Alexa+Google

    New

    C28 Tuya WiFi+GSM Wireless Kits Home Security Burglar Alarm System+Alexa+Google

    $89.99

    FREE SHIPPING149

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  • 10 PCS WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor

    New

    10 PCS WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor

    $7.95

    FREE SHIPPING118

    VIEW DEAL
  • 8% Off
    Wireless Driveway Home Security Alarm System Motion Sensor Doorbell Detector US

    New

    Wireless Driveway Home Security Alarm System Motion Sensor Doorbell Detector US

    $12.78 $13.89

    FREE SHIPPING146

    VIEW DEAL
  • Defiant Smart Home Alarm System with WiFi and Bluetooth, Powered by Hubspace NEW

    New

    Defiant Smart Home Alarm System with WiFi and Bluetooth, Powered by Hubspace NEW

    $33.98

    FREE SHIPPING199

    VIEW DEAL
  • 6% Off
    2PCS 433MHz HOMSECUR Wireless Door/Window Sensors For Home Security Alarm System

    New

    2PCS 433MHz HOMSECUR Wireless Door/Window Sensors For Home Security Alarm System

    $17.85 $18.99

    FREE SHIPPING199

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  • 11% Off
    KERUI Wireless Home Security Alarm System 110db Loud Anti-theft Door Sensor USA

    New

    KERUI Wireless Home Security Alarm System 110db Loud Anti-theft Door Sensor USA

    $12.58 $14.08

    FREE SHIPPING118

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  • 5% Off
    Wireless Motion Infrared Sensor Driveway Alarm Garage Alert Home System Patrol

    New

    Wireless Motion Infrared Sensor Driveway Alarm Garage Alert Home System Patrol

    $24.59 $25.88

    FREE SHIPPING149

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  • Smart Wi-Fi Home Window Door Security Alarm Sensor System Alexa Google Tuya App

    New

    Smart Wi-Fi Home Window Door Security Alarm Sensor System Alexa Google Tuya App

    $11.65

    FREE SHIPPING130

    VIEW DEAL
  • 6% Off
    HOMSECUR Wireless &wired WIFI 4G Home Security Alarm System IOS/Android APP

    New

    HOMSECUR Wireless &wired WIFI 4G Home Security Alarm System IOS/Android APP

    $106.40 $113.19

    FREE SHIPPING222

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  • 6 PCS WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor

    New

    6 PCS WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor

    $10.89

    FREE SHIPPING135

    VIEW DEAL
  • 5% Off
    Wireless Door Bell Chimes Open Welcome Entry Motion Sensor Alarm Home Security

    New

    Wireless Door Bell Chimes Open Welcome Entry Motion Sensor Alarm Home Security

    $10.44 $10.99

    FREE SHIPPING198

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