Safety Equipment and GearAlarm SystemsAll Home SecurityBathroom PlumbingDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareDoorbellsEmergency SuppliesFire SafetyGarage Door Openers and HardwareHome SafetyHVAC Ducting and VentilationPersonal PreparednessPersonal SafetyPower Tool AccessoriesSafety DetectorsSolderingStorm & Flood PrepSurveillanceTool Equipment & StorageValves & Valve Repair
Sort by|
Safety Equipment and GearAlarm SystemsAll Home SecurityBathroom PlumbingDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareDoorbellsEmergency SuppliesFire SafetyGarage Door Openers and HardwareHome SafetyHVAC Ducting and VentilationPersonal PreparednessPersonal SafetyPower Tool AccessoriesSafety DetectorsSolderingStorm & Flood PrepSurveillanceTool Equipment & StorageValves & Valve Repair
Phone Sensor(63)
Uses item details. Price when purchased online
ADT Blu Door and Window Sensor 4-Pack, Wireless Alarm Sensors with Tamper Alerts & Convenience Mode, Plan Required. $59.99
Sponsored
$5999
current price $59.99ADT Blu Door and Window Sensor 4-Pack, Wireless Alarm Sensors with Tamper Alerts & Convenience Mode, Plan Required.
YoLink Smart Power Fail Alarm & Hub Kit, Smart Home Starter Kit with AC Power Outage Alert, LoRa Long-Range, Remote Monitoring, App Alerts, Text/SMS, Email Alerts, Alexa, IFTTT, Google Assistant From $34.99
Sponsored
From$3499
YoLink Smart Power Fail Alarm & Hub Kit, Smart Home Starter Kit with AC Power Outage Alert, LoRa Long-Range, Remote Monitoring, App Alerts, Text/SMS, Email Alerts, Alexa, IFTTT, Google Assistant
4.8 out of 5 stars
Best seller, 1/2 Mile Long Range Solar Wireless Driveway Alarm System IP65 Weatherproof Outdoor Motion Detectors&Sensor 120dB Siren Sound Light Security Alert System Monitor&Protect Outdoor/Indoor Property(1R2S) From $29.99
Best seller
Sponsored
From$2999
1/2 Mile Long Range Solar Wireless Driveway Alarm System IP65 Weatherproof Outdoor Motion Detectors&Sensor 120dB Siren Sound Light Security Alert System Monitor&Protect Outdoor/Indoor Property(1R2S)
4.5 out of 5 stars
Best seller, TECKNET Solar Wireless Driveway Alarm with 2600FT Long Range & 36 Melodies & 5 Volumes and Supports 4 Zones Weatherproof Motion Sensor Alarm to Protect Inside/Outside Property (1 Receiver 1 Sensor) $30.99 Was $49.99
Best seller
Sponsored
Now$3099
current price Now $30.99, Was $49.99$49.99
TECKNET Solar Wireless Driveway Alarm with 2600FT Long Range & 36 Melodies & 5 Volumes and Supports 4 Zones Weatherproof Motion Sensor Alarm to Protect Inside/Outside Property (1 Receiver 1 Sensor)
4.7 out of 5 stars
Bellman and Symfon BE9250 Visit Cell Phone Sensor $43.95
$4395
current price $43.95Bellman and Symfon BE9250 Visit Cell Phone Sensor
1 out of 5 stars
Home Burglar Security Alarm System Sensor WIFI SIM GSM RFID for IOS Android APP Remote Control US Plug $61.59
$6159
current price $61.59Home Burglar Security Alarm System Sensor WIFI SIM GSM RFID for IOS Android APP Remote Control US Plug
5 out of 5 stars
Aqara Door and Window Sensor E1, ZigBee Wireless Contact Sensor for Smart Home Security, Real-Time Mobile Alerts, Compatible with HomeKit and Mijia APP $23.89
$2389
current price $23.89Aqara Door and Window Sensor E1, ZigBee Wireless Contact Sensor for Smart Home Security, Real-Time Mobile Alerts, Compatible with HomeKit and Mijia APP
YOLINK LoRa Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Range, Alexa, IFTTT, Home Assistant (Hub Required) $24.99
$2499
current price $24.99YOLINK LoRa Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Range, Alexa, IFTTT, Home Assistant (Hub Required)
4.3 out of 5 stars
WiFi Door Chime, Door Sensor with Phone Notifications for Safety & Dementia Care, Door Open Alert for and Business Use, 20 Chimes, 5 Volume Levels, 2.4GHz Only From $42.59
From$4259
WiFi Door Chime, Door Sensor with Phone Notifications for Safety & Dementia Care, Door Open Alert for and Business Use, 20 Chimes, 5 Volume Levels, 2.4GHz Only
eMACROS Solar Wireless Motion Sensor and Alarm, 1/2 Mile Range, Outdoor Waterproof Coverage
eMACROS Solar Wireless Motion Sensor and Alarm, 1/2 Mile Range, Outdoor Waterproof Coverage
4.6 out of 5 stars
YoLink LoRa Smart Outdoor Motion Detector Sensor, Driveway Alert, Property Invasion/Tresspassing Detector, 1/4 Mile Open Air Range, Email/SMS/Push Alerts, Alexa, IFTTT, Home Assistant (Hub Required) From $35.59
Sponsored
From$3559
YoLink LoRa Smart Outdoor Motion Detector Sensor, Driveway Alert, Property Invasion/Tresspassing Detector, 1/4 Mile Open Air Range, Email/SMS/Push Alerts, Alexa, IFTTT, Home Assistant (Hub Required)
4.7 out of 5 stars
VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, 58 Chimes & 5 Adjustable Volume, Doors Ringer Alert for Business, Store, Home, Office When Entering $25.90
Sponsored
$2590
current price $25.90VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, 58 Chimes & 5 Adjustable Volume, Doors Ringer Alert for Business, Store, Home, Office When Entering
4 out of 5 stars
SK-200 SkylinkNet Connected Home Alarm Security & Home Automation System, iOS iPhone Android Smartphone App Compatible with No Monthly Fees $99.99
$9999
current price $99.99SK-200 SkylinkNet Connected Home Alarm Security & Home Automation System, iOS iPhone Android Smartphone App Compatible with No Monthly Fees
Upgraded Smart WiFi Motion Sensor Detector Alarm Indoor with Siren, Phone App, USB Power, Alert Recording, Scheduled Working Times - Infrared Motion Sensor Alarm for Home Garage $22.88
$2288
current price $22.88Upgraded Smart WiFi Motion Sensor Detector Alarm Indoor with Siren, Phone App, USB Power, Alert Recording, Scheduled Working Times - Infrared Motion Sensor Alarm for Home Garage
Clearance, TOUMENY Smart WiFi Door Sensor, Wireless Window Entry Alarm for Home Security, Instant Phone Alerts for Doors Windows Garage Shed $11.09 Was $13.59
Now$1109
current price Now $11.09, Was $13.59$13.59
TOUMENY Smart WiFi Door Sensor, Wireless Window Entry Alarm for Home Security, Instant Phone Alerts for Doors Windows Garage Shed
2 out of 5 stars
YoLink LoRa Smart Outdoor Contact Sensor & Hub Starter Kit, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, IFTTT, Home Assistant $45.99
$4599
current price $45.99YoLink LoRa Smart Outdoor Contact Sensor & Hub Starter Kit, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, IFTTT, Home Assistant
Smart WiFi Door Sensor with App Notification Alert, No Hub Required, Compatible with Alexa and Google Assistant, 1 Pack $16.77
$1677
current price $16.77Smart WiFi Door Sensor with App Notification Alert, No Hub Required, Compatible with Alexa and Google Assistant, 1 Pack
YoLink LoRa Smart Door & Window Sensor: Up to 1/4 Mile Open-Air Range, Door Left-Open Reminders, up to 5 Year Battery Life, Alexa, IFTTT, Home Assistant, Home Security From $16.99
6 options
Available in additional 6 optionsFrom$1699
YoLink LoRa Smart Door & Window Sensor: Up to 1/4 Mile Open-Air Range, Door Left-Open Reminders, up to 5 Year Battery Life, Alexa, IFTTT, Home Assistant, Home Security
4.4 out of 5 stars
WiFi Door Chime, SanJie Alarm Sensor with Phone Notifications for Household Safety & Dementia Care, Open Alert Home Security and Business Use, 20 Chimes, 5 Volume Levels, 2.4GHz Only $58.12
$5812
current price $58.12WiFi Door Chime, SanJie Alarm Sensor with Phone Notifications for Household Safety & Dementia Care, Open Alert Home Security and Business Use, 20 Chimes, 5 Volume Levels, 2.4GHz Only
2 Pack WiFi Door Window Contact Sensor, APP Remote Control Open Closed Status Monitor, Instant Push Notification, Adjustable Alert Volume, Delay Alert Setting $20.99
$2099
current price $20.992 Pack WiFi Door Window Contact Sensor, APP Remote Control Open Closed Status Monitor, Instant Push Notification, Adjustable Alert Volume, Delay Alert Setting
Door Chime, Wireless Door Open Contact Sensor Alarm Chime with 600 FT Range 58 Chimes 5 Volume Levels LED Indicators, Door Ringer Alert for Business/Store/Home/Office When Entering From $11.71
Sponsored
From$1171
Door Chime, Wireless Door Open Contact Sensor Alarm Chime with 600 FT Range 58 Chimes 5 Volume Levels LED Indicators, Door Ringer Alert for Business/Store/Home/Office When Entering
4.1 out of 5 stars
Dakota Alert Smart $289.99
Sponsored
$28999
current price $289.99Dakota Alert Smart
AREALER 433MHz Wireless WIFI + GSM Auto-dial Alarm System LCD Display Door Sensor PIR Motion Sensor Phone APP Remote Control Compatible with Home Voice Control Smart Home Burglar Alarm System $67.34
$6734
current price $67.34AREALER 433MHz Wireless WIFI + GSM Auto-dial Alarm System LCD Display Door Sensor PIR Motion Sensor Phone APP Remote Control Compatible with Home Voice Control Smart Home Burglar Alarm System
EIMELI WiFi Door and Windows Sensor Magnets Smart Phone APP Control Doorbell Compatible with Alexa Google Assistant,Wireless Security Alarm Door Open Chime for Home Bussiness Burglar Alert $16.89
$1689
current price $16.89EIMELI WiFi Door and Windows Sensor Magnets Smart Phone APP Control Doorbell Compatible with Alexa Google Assistant,Wireless Security Alarm Door Open Chime for Home Bussiness Burglar Alert
iView S100-4 WiFi Smart Door/Window Sensor, Wireless Security Alarm, Smart Phone APP Alert, DIY Easy Install, Long Lasting Battery (4-Pack) $49.99
$4999
current price $49.99iView S100-4 WiFi Smart Door/Window Sensor, Wireless Security Alarm, Smart Phone APP Alert, DIY Easy Install, Long Lasting Battery (4-Pack)
Black 3-1 WiFi Door Chime Alarm Sensor with Phone Notifications for Home Safety and Dementia Care From $65.98
From$6598
Black 3-1 WiFi Door Chime Alarm Sensor with Phone Notifications for Home Safety and Dementia Care
iView S100 WiFi smart Door/Window sensor, wireless security alarm, smart phone APP alert, DIY easy install, long lasting battery $13.99 $13.99/count
$1399
current price $13.99$13.99/count
iView S100 WiFi smart Door/Window sensor, wireless security alarm, smart phone APP alert, DIY easy install, long lasting battery
Smart WiFi Door & Window Contact Sensor Real-Time Open/Close Alerts, Wireless Home Security Monitor, App & Voice Control, 24/7 Remote Status Check $9.69
$969
current price $9.69Smart WiFi Door & Window Contact Sensor Real-Time Open/Close Alerts, Wireless Home Security Monitor, App & Voice Control, 24/7 Remote Status Check
Home Burglar Security Alarm System Sensor WIFI SIM GSM RFID for IOS Android APP Remote Control US Plug $89.88
$8988
current price $89.88Home Burglar Security Alarm System Sensor WIFI SIM GSM RFID for IOS Android APP Remote Control US Plug
Giunmcul 50% Off Clear Wifi Door Sensor Remote Alarm Reminder Google- Linkage APP Alarm Situation Query $10.99
$1099
current price $10.99Giunmcul 50% Off Clear Wifi Door Sensor Remote Alarm Reminder Google- Linkage APP Alarm Situation Query
Smart Probe 4000 $299.99
Sponsored
$29999
current price $299.99Smart Probe 4000
Shelly Flood Gen4 Wi-Fi, Zigbee & Matter Smart Flood Sensor with Bluetooth, Leak Detection Cable, Alexa, Google Home, Apple HomeKit $39.99
Sponsored
$3999
current price $39.99Shelly Flood Gen4 Wi-Fi, Zigbee & Matter Smart Flood Sensor with Bluetooth, Leak Detection Cable, Alexa, Google Home, Apple HomeKit
4.4 out of 5 stars
Clearance, WiFi Motion Detector, Kadlawus Tuya WiFi PIR Human Infrared Sensor, Smart Home Assistant for Phone Remote Control, 360 Ceiling Installation Motion Detector with App Alerts, No Hub Required $10.99 Was $15.99
Now$1099
current price Now $10.99, Was $15.99$15.99
WiFi Motion Detector, Kadlawus Tuya WiFi PIR Human Infrared Sensor, Smart Home Assistant for Phone Remote Control, 360 Ceiling Installation Motion Detector with App Alerts, No Hub Required
SNNROO WiFi Door and Windows Sensor Magnets Smart Phone APP Control Doorbell Compatible with Alexa Google Assistant,Wireless Security Alarm Door Open Chime for Home Bussiness Burglar Alert $12.58
$1258
current price $12.58SNNROO WiFi Door and Windows Sensor Magnets Smart Phone APP Control Doorbell Compatible with Alexa Google Assistant,Wireless Security Alarm Door Open Chime for Home Bussiness Burglar Alert
arre Contact Sensor with Matter & Thread Support, Control Smart Home Accessories, Works with Apple Home / Google Home / Samsung SmartThings / Alexa, Door / Garage Sensor $29.99
$2999
current price $29.99arre Contact Sensor with Matter & Thread Support, Control Smart Home Accessories, Works with Apple Home / Google Home / Samsung SmartThings / Alexa, Door / Garage Sensor
Intelligent ZigBee Wireless Door and Window Sensor Smart Home Security Alert Alarm Real Time Detection System for iOS Android, White (1.65 x 0.87 x 0.43 inches / 42 x 22 x 11 mm) $23.85
$2385
current price $23.85Intelligent ZigBee Wireless Door and Window Sensor Smart Home Security Alert Alarm Real Time Detection System for iOS Android, White (1.65 x 0.87 x 0.43 inches / 42 x 22 x 11 mm)
MesaSe WiFi Door and Windows Sensor Magnets Smart Phone APP Control Doorbell Compatible with Alexa Google Assistant,Wireless Security Alarm Door Open Chime for Home Bussiness Burglar Alert $15.84
$1584
current price $15.84MesaSe WiFi Door and Windows Sensor Magnets Smart Phone APP Control Doorbell Compatible with Alexa Google Assistant,Wireless Security Alarm Door Open Chime for Home Bussiness Burglar Alert
GJX Smart Wifi Door Sensor,Wireless Window Entry Alarm for Home Security,Instant Phone Alerts for Doors Windows Garage Shed $12.64
$1264
current price $12.64GJX Smart Wifi Door Sensor,Wireless Window Entry Alarm for Home Security,Instant Phone Alerts for Doors Windows Garage Shed
Teissuly Graffiti Smart Door And Window Separate Alarm Mobile Phone Monitoring theft Wifi Door Magnetic Sensor $9.99
$999
current price $9.99Teissuly Graffiti Smart Door And Window Separate Alarm Mobile Phone Monitoring theft Wifi Door Magnetic Sensor
VERDANVERSE High Infrared Alarm Detector for Home Security, Portable $10.23
$1023
current price $10.23VERDANVERSE High Infrared Alarm Detector for Home Security, Portable
QIPOPIQ Wifi Door Sensor with Remote Alarm, App-Linked Home Security Monitoring System $14.99
$1499
current price $14.99QIPOPIQ Wifi Door Sensor with Remote Alarm, App-Linked Home Security Monitoring System
WiFi Door Chime, Door Alarm Sensor with Phone Notifications for Kids Safety & Dementia Care, Door Open Alert for Home Security and Business Use, 20 Chimes, 5 Volume Levels, 2.4GHz Only $64.33
$6433
current price $64.33WiFi Door Chime, Door Alarm Sensor with Phone Notifications for Kids Safety & Dementia Care, Door Open Alert for Home Security and Business Use, 20 Chimes, 5 Volume Levels, 2.4GHz Only
22 count WiFi/GSM/2G System, App , Motion Detector, Door and Window Sensors, Remote Controls, Siren, Compatible with Alexa & Assistant $128.23
$12823
current price $128.2322 count WiFi/GSM/2G System, App , Motion Detector, Door and Window Sensors, Remote Controls, Siren, Compatible with Alexa & Assistant
GA01P GSM Mini Smart Remote Power Failure Alert SMS Call Alarm Security, Wireless Multi-Functional Power Interruption Sensor System for Home and Commercial (15x11x4 cm / 5.9x4.3x1.6 inches) $40.59
$4059
current price $40.59GA01P GSM Mini Smart Remote Power Failure Alert SMS Call Alarm Security, Wireless Multi-Functional Power Interruption Sensor System for Home and Commercial (15x11x4 cm / 5.9x4.3x1.6 inches)
Smart Zigbee Infrared Sensor Power Saving Function Sensor 120 Viewing Angle for Zigbee IOS Android Systems $27.91
$2791
current price $27.91Smart Zigbee Infrared Sensor Power Saving Function Sensor 120 Viewing Angle for Zigbee IOS Android Systems
22 count WiFi/GSM/2G System, App , Motion Detector, Door and Window Sensors, Remote Controls, Siren, Compatible with Alexa & Assistant $145.33
$14533
current price $145.3322 count WiFi/GSM/2G System, App , Motion Detector, Door and Window Sensors, Remote Controls, Siren, Compatible with Alexa & Assistant
Tuya APP Remote Control WIFI+GSM Alarm System for Home Security Burglar Alarm Sensor PIR Motion Detection Door Contact $48.02
$4802
current price $48.02Tuya APP Remote Control WIFI+GSM Alarm System for Home Security Burglar Alarm Sensor PIR Motion Detection Door Contact
Black 2-1 WiFi Door Chime Alarm Sensor With Phone App Notifications
Black 2-1 WiFi Door Chime Alarm Sensor With Phone App Notifications
Szbaoan Smart WiFi Door Window Sensor Wireless Alarm for Home Security Real-Time Notification Compatible with Smart Life App for Phone Alerts No Tools Installation 7x2.5x2cm $9.99
$999
current price $9.99Szbaoan Smart WiFi Door Window Sensor Wireless Alarm for Home Security Real-Time Notification Compatible with Smart Life App for Phone Alerts No Tools Installation 7x2.5x2cm
1 out of 5 stars
WiFi Door Sensor Alarm, Smart Door Window Contact Sensor with APP Remote Alert for Home Security $14.17
$1417
current price $14.17WiFi Door Sensor Alarm, Smart Door Window Contact Sensor with APP Remote Alert for Home Security
Popular in Phone Sensor
Related Products
BUNKER HILL Wireless Driveway Alarm Alert System Security Garage Intruder PIR Motion Sensor, White
BUNKER HILL Wireless Driveway Alarm Alert System Security Garage Intruder PIR Motion Sensor, White$34.63current price $34.632GIG 2GIG-EDG-NA-VA Security and Automation Panel, Facial Recognition Disarm, Improved 7" Screen with Brighter Color and Greater Detail, Intuitive 1 Button Access to Smart Home Devices
2GIG 2GIG-EDG-NA-VA Security and Automation Panel, Facial Recognition Disarm, Improved 7" Screen with Brighter Color and Greater Detail, Intuitive 1 Button Access to Smart Home Devices$329.95current price $329.95TONAIN 90 dB, White Magnetic Household Sensors & Alarms
TONAIN 90 dB, White Magnetic Household Sensors & Alarms$4.48current price $4.48Honeywell WAVE2 Siren, Dual Tone, Wall Mount, Warning Alarm
Honeywell WAVE2 Siren, Dual Tone, Wall Mount, Warning Alarm$26.99current price $26.99Pristin Door and window alarm,1 Receiver 2 38 Chimes 200m/ Chimes 200m/ 656ft 200m/ 656ft Indoor 656ft Indoor Use Alarm Waterproof Driveway Alarm Alarm Wireless Maiju
Pristin Door and window alarm,1 Receiver 2 38 Chimes 200m/ Chimes 200m/ 656ft 200m/ 656ft Indoor 656ft Indoor Use Alarm Waterproof Driveway Alarm Alarm Wireless Maiju$29.89current price $29.89Wsdcam Glass Break Sensor Alarm 125dB Wireless Detector Vibration for Window Door Security - 4 Pack
Wsdcam Glass Break Sensor Alarm 125dB Wireless Detector Vibration for Window Door Security - 4 Pack$27.99current price $27.99Door/Window Sensor with External Contact Input
Door/Window Sensor with External Contact Input$31.99current price $31.99Rongsi Driveway Alarm,Wireless Home Security Driveway Alarm 1 Receiver and 1 PIR Motion Sensor Detector 1000 FT Range Extra Infrared Alarm System Kit
Rongsi Driveway Alarm,Wireless Home Security Driveway Alarm 1 Receiver and 1 PIR Motion Sensor Detector 1000 FT Range Extra Infrared Alarm System Kit$18.99current price $18.99Bea Active Infrared Sensor for Request 10R2E-100
Bea Active Infrared Sensor for Request 10R2E-100$181.17current price $181.17
